290 lines
13 KiB
JSON
290 lines
13 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-2026-48854",
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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": "2026-05-25T20:44:10.697Z",
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"datePublished": "2026-06-15T21:55:23.629Z",
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"dateUpdated": "2026-09-24T21:09:30.485Z"
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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.Server.Adapters.Cowboy.Handler'"
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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/server/adapters/cowboy/handler.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.GRPC.Server.Adapters.Cowboy.Handler':read_full_body/3"
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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": "0.3.0-alpha.2",
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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.Server.Adapters.Cowboy.Handler'"
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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/server/adapters/cowboy/handler.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.GRPC.Server.Adapters.Cowboy.Handler':read_full_body/3"
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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": "49e18c3ec6bb9afe2f712caad3dbab5c56a68a00",
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"status": "affected",
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"version": "d1abe70a6cad6dac4a3f8235d883d7c896989560",
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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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"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": "0.3.0-alpha.2",
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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": "2026-06-15T21:55:23.000Z",
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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>Allocation of Resources Without Limits or Throttling vulnerability in elixir-grpc grpc allows unauthenticated attackers to exhaust the BEAM's memory and crash the server by streaming a large or slow-trickle unary request body.</p>\n<p><code>'Elixir.GRPC.Server.Adapters.Cowboy.Handler':read_full_body/3</code> (<code>lib/grpc/server/adapters/cowboy/handler.ex</code>) accumulates every received chunk into a single growing binary with no size cap. Additionally, when the client omits the <code>grpc-timeout</code> header, the per-chunk read timeout resolves to <code>:infinity</code>, allowing a slow-trickle client to keep the connection alive indefinitely while memory grows. A single connection is sufficient to exhaust server memory and crash the node.</p>\n<p>This issue affects grpc: from 0.3.0-alpha.2 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": "Allocation of Resources Without Limits or Throttling vulnerability in elixir-grpc grpc allows unauthenticated attackers to exhaust the BEAM's memory and crash the server by streaming a large or slow-trickle unary request body.\n\n`'Elixir.GRPC.Server.Adapters.Cowboy.Handler':read_full_body/3` (`lib/grpc/server/adapters/cowboy/handler.ex`) accumulates every received chunk into a single growing binary with no size cap. Additionally, when the client omits the `grpc-timeout` header, the per-chunk read timeout resolves to `:infinity`, allowing a slow-trickle client to keep the connection alive indefinitely while memory grows. A single connection is sufficient to exhaust server memory and crash the node.\n\nThis issue affects grpc: from 0.3.0-alpha.2 before 1.0.0."
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}
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],
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"value": "Allocation of Resources Without Limits or Throttling vulnerability in elixir-grpc grpc allows unauthenticated attackers to exhaust the BEAM's memory and crash the server by streaming a large or slow-trickle unary request body.\n\n'Elixir.GRPC.Server.Adapters.Cowboy.Handler':read_full_body/3 (lib/grpc/server/adapters/cowboy/handler.ex) accumulates every received chunk into a single growing binary with no size cap. Additionally, when the client omits the grpc-timeout header, the per-chunk read timeout resolves to :infinity, allowing a slow-trickle client to keep the connection alive indefinitely while memory grows. A single connection is sufficient to exhaust server memory and crash the node.\n\nThis issue affects grpc: from 0.3.0-alpha.2 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-130",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-130 Excessive Allocation"
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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": "NONE",
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"attackVector": "NETWORK",
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"baseScore": 8.7,
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"baseSeverity": "HIGH",
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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:N/PR:N/UI:N/VC:N/VI:N/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": "NONE",
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"vulnIntegrityImpact": "NONE",
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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-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": "2026-09-24T21:09:30.485Z"
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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-q8gf-9rvj-gmgj"
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},
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{
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"name": "EEF CNA record for CVE-2026-48854",
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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-2026-48854.html"
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},
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{
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"name": "OSV record EEF-CVE-2026-48854",
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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-2026-48854"
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},
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{
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"name": "Introducing commit d1abe70 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/d1abe70a6cad6dac4a3f8235d883d7c896989560"
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},
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{
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"name": "Fix commit 49e18c3 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/49e18c3ec6bb9afe2f712caad3dbab5c56a68a00"
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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": "Unbounded request body accumulation causes memory exhaustion 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-q8gf-9rvj-gmgj",
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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": "2026-06-16T14:47:02.881535Z",
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"id": "CVE-2026-48854",
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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": "partial"
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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": "2026-06-16T14:47:28.479Z"
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}
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}
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]
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}
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} |