165 lines
6.9 KiB
JSON
165 lines
6.9 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-2026-55079",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-06-16T14:33:35.711Z",
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"datePublished": "2026-07-07T23:50:37.197Z",
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"dateUpdated": "2026-07-08T12:53:41.432Z"
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},
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"containers": {
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"cna": {
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"title": "Coder's unbounded memory allocation in provisioner file upload allows authenticated denial of service",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-789",
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"lang": "en",
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"description": "CWE-789: Memory Allocation with Excessive Size Value",
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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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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "HIGH",
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"baseScore": 4.9,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"privilegesRequired": "HIGH",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
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"version": "3.1"
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}
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}
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],
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"references": [
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{
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"name": "https://github.com/coder/coder/security/advisories/GHSA-f962-qm93-mj4c",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/coder/coder/security/advisories/GHSA-f962-qm93-mj4c"
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},
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{
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"name": "https://github.com/coder/coder/pull/25710",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/coder/coder/pull/25710"
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},
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{
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"name": "https://github.com/coder/coder/releases/tag/v2.29.17",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/coder/coder/releases/tag/v2.29.17"
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},
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{
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"name": "https://github.com/coder/coder/releases/tag/v2.32.7",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/coder/coder/releases/tag/v2.32.7"
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},
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{
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"name": "https://github.com/coder/coder/releases/tag/v2.33.8",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/coder/coder/releases/tag/v2.33.8"
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},
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{
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"name": "https://github.com/coder/coder/releases/tag/v2.34.2",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/coder/coder/releases/tag/v2.34.2"
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}
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],
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"affected": [
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{
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"vendor": "coder",
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"product": "coder",
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"versions": [
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{
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"version": ">= 2.34.0, < 2.34.2",
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"status": "affected"
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},
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{
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"version": ">= 2.33.0, < 2.33.8",
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"status": "affected"
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},
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{
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"version": ">= 2.30.0, < 2.32.7",
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"status": "affected"
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},
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{
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"version": ">= 2.24.0, < 2.29.17",
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"status": "affected"
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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": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-07-07T23:50:37.197Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Coder allows organizations to provision remote development environments via Terraform. Starting in version 2.24.0 and prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, `NewDataBuilder` in `provisionersdk/proto/dataupload.go` allocated a byte slice using the client-supplied `FileSize` from a `DataUpload` message without an upper-bound check. Although the DRPC wire limit is 4 MiB, the `FileSize` value itself was unconstrained. The fix in versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2 validates `FileSize` against an upper bound (`MaxFileSize = 100 MiB`) before allocation. As a workaround, restrict access to the provisioner daemon serve endpoint to trusted provisioner daemon service accounts."
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}
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],
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"source": {
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"advisory": "GHSA-f962-qm93-mj4c",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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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": "2026-07-08T12:53:26.878982Z",
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"id": "CVE-2026-55079",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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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": "2026-07-08T12:53:41.432Z"
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}
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}
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]
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}
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} |