318 lines
15 KiB
JSON
318 lines
15 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-48853",
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"assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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"state": "PUBLISHED",
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"assignerShortName": "EEF",
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"dateReserved": "2026-05-25T20:44:10.696Z",
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"datePublished": "2026-06-15T21:56:15.262Z",
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"dateUpdated": "2026-09-24T21:08:47.457Z"
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},
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"containers": {
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"cna": {
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"affected": [
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{
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"collectionURL": "https://repo.hex.pm",
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"cpes": [
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"cpe:2.3:a:elixir-grpc:grpc:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.GRPC.Codec.Erlpack'"
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],
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"packageName": "grpc",
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"packageURL": "pkg:hex/grpc",
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"product": "grpc",
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"programFiles": [
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"lib/grpc/codec/erlpack.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.GRPC.Codec.Erlpack':decode/2"
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}
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],
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"repo": "https://github.com/elixir-grpc/grpc",
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"vendor": "elixir-grpc",
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"versions": [
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{
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"lessThan": "1.0.0",
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"status": "affected",
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"version": "0.4.0",
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"versionType": "semver"
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}
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]
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},
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{
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"collectionURL": "https://github.com",
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"cpes": [
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"cpe:2.3:a:elixir-grpc:grpc:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.GRPC.Codec.Erlpack'"
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],
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"packageName": "elixir-grpc/grpc",
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"packageURL": "pkg:github/elixir-grpc/grpc",
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"product": "grpc",
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"programFiles": [
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"lib/grpc/codec/erlpack.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.GRPC.Codec.Erlpack':decode/2"
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}
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],
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"repo": "https://github.com/elixir-grpc/grpc",
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"vendor": "elixir-grpc",
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"versions": [
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{
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"lessThan": "272a97a5ea1b46af1819f14a831fcf35fc91f992",
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"status": "affected",
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"version": "25bcc569fe2cc4478531a6c546c923205fc751c9",
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"versionType": "git"
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}
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]
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}
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],
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"configurations": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "<p><code>GRPC.Codec.Erlpack</code> must be explicitly registered as a codec on the gRPC server.</p>"
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},
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{
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"base64": false,
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"type": "text/markdown",
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"value": "`GRPC.Codec.Erlpack` must be explicitly registered as a codec on the gRPC server."
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}
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],
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"value": "GRPC.Codec.Erlpack must be explicitly registered as a codec on the gRPC server."
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"cpeMatch": [
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{
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"criteria": "cpe:2.3:a:elixir-grpc:grpc:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "1.0.0",
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"versionStartIncluding": "0.4.0",
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"vulnerable": true
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}
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],
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"negate": false,
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"operator": "OR"
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}
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],
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"operator": "AND"
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}
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],
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"credits": [
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{
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"lang": "en",
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"type": "finder",
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"value": "Peter Ullrich"
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},
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{
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"lang": "en",
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"type": "remediation developer",
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"value": "Paulo Valente"
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},
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{
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"lang": "en",
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"type": "analyst",
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"value": "Jonatan Männchen / EEF"
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}
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],
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"datePublic": "2026-06-15T21:56:15.000Z",
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"descriptions": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "<p>Deserialization of Untrusted Data and Allocation of Resources Without Limits or Throttling vulnerabilities in elixir-grpc grpc allow unauthenticated attackers to crash the BEAM node via atom table exhaustion and, when a decoded term flows into a call site that invokes it, achieve remote code execution on the server.</p>\n<p><code>'Elixir.GRPC.Codec.Erlpack':decode/2</code> (<code>lib/grpc/codec/erlpack.ex</code>) calls <code>:erlang.binary_to_term/1</code> on the raw gRPC message body without the <code>:safe</code> option, no size bound, and no type guard. Any unauthenticated peer that sends a request with <code>Content-Type: application/grpc+erlpack</code> can send a crafted payload that mints arbitrary new atoms (which are never garbage-collected, exhausting the bounded atom table and crashing the VM) or that encodes a fun term which, if applied anywhere downstream, executes attacker-controlled code inside the server process.</p>\n<p>This issue affects grpc: from 0.4.0 before 1.0.0.</p>"
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},
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{
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"base64": false,
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"type": "text/markdown",
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"value": "Deserialization of Untrusted Data and Allocation of Resources Without Limits or Throttling vulnerabilities in elixir-grpc grpc allow unauthenticated attackers to crash the BEAM node via atom table exhaustion and, when a decoded term flows into a call site that invokes it, achieve remote code execution on the server.\n\n`'Elixir.GRPC.Codec.Erlpack':decode/2` (`lib/grpc/codec/erlpack.ex`) calls `:erlang.binary_to_term/1` on the raw gRPC message body without the `:safe` option, no size bound, and no type guard. Any unauthenticated peer that sends a request with `Content-Type: application/grpc+erlpack` can send a crafted payload that mints arbitrary new atoms (which are never garbage-collected, exhausting the bounded atom table and crashing the VM) or that encodes a fun term which, if applied anywhere downstream, executes attacker-controlled code inside the server process.\n\nThis issue affects grpc: from 0.4.0 before 1.0.0."
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}
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],
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"value": "Deserialization of Untrusted Data and Allocation of Resources Without Limits or Throttling vulnerabilities in elixir-grpc grpc allow unauthenticated attackers to crash the BEAM node via atom table exhaustion and, when a decoded term flows into a call site that invokes it, achieve remote code execution on the server.\n\n'Elixir.GRPC.Codec.Erlpack':decode/2 (lib/grpc/codec/erlpack.ex) calls :erlang.binary_to_term/1 on the raw gRPC message body without the :safe option, no size bound, and no type guard. Any unauthenticated peer that sends a request with Content-Type: application/grpc+erlpack can send a crafted payload that mints arbitrary new atoms (which are never garbage-collected, exhausting the bounded atom table and crashing the VM) or that encodes a fun term which, if applied anywhere downstream, executes attacker-controlled code inside the server process.\n\nThis issue affects grpc: from 0.4.0 before 1.0.0."
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}
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],
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"impacts": [
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{
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"capecId": "CAPEC-586",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-586 Object Injection"
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}
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]
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},
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{
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"capecId": "CAPEC-231",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-231 Oversized Serialized Data Payloads"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV4_0": {
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"attackComplexity": "LOW",
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"attackRequirements": "PRESENT",
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"attackVector": "NETWORK",
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"baseScore": 9.2,
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"baseSeverity": "CRITICAL",
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"privilegesRequired": "NONE",
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"providerUrgency": "NOT_DEFINED",
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"subAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"userInteraction": "NONE",
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"valueDensity": "NOT_DEFINED",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
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"version": "4.0",
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"vulnAvailabilityImpact": "HIGH",
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"vulnConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "HIGH",
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"vulnerabilityResponseEffort": "NOT_DEFINED"
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},
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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]
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-502",
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"description": "CWE-502 Deserialization of Untrusted Data",
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"lang": "en",
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"type": "CWE"
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}
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]
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},
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{
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"descriptions": [
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{
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"cweId": "CWE-770",
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"description": "CWE-770 Allocation of Resources Without Limits or Throttling",
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"lang": "en",
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"type": "CWE"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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"shortName": "EEF",
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"dateUpdated": "2026-09-24T21:08:47.457Z"
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},
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"references": [
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{
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"tags": [
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"vendor-advisory",
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"related"
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],
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"url": "https://github.com/elixir-grpc/grpc/security/advisories/GHSA-grp7-v8xh-rj7h"
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},
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{
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"name": "EEF CNA record for CVE-2026-48853",
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"tags": [
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"related"
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],
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"url": "https://cna.erlef.org/cves/CVE-2026-48853.html"
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},
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{
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"name": "OSV record EEF-CVE-2026-48853",
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"tags": [
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"related"
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],
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"url": "https://osv.dev/vulnerability/EEF-CVE-2026-48853"
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},
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{
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"name": "Introducing commit 25bcc56 in elixir-grpc/grpc",
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"tags": [
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"related"
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],
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"url": "https://github.com/elixir-grpc/grpc/commit/25bcc569fe2cc4478531a6c546c923205fc751c9"
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},
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{
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"name": "Fix commit 272a97a in elixir-grpc/grpc",
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"tags": [
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"patch"
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],
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"url": "https://github.com/elixir-grpc/grpc/commit/272a97a5ea1b46af1819f14a831fcf35fc91f992"
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}
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],
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"source": {
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"discovery": "EXTERNAL"
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},
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"title": "Remote code execution and denial of service via unsafe Erlang term deserialization in elixir-grpc/grpc"
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://github.com/elixir-grpc/grpc/security/advisories/GHSA-grp7-v8xh-rj7h",
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"tags": [
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"exploit"
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]
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}
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],
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-06-16T14:44:19.175606Z",
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"id": "CVE-2026-48853",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "yes"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-06-16T14:45:02.196Z"
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}
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}
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]
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}
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} |