{"id":"CVE-2025-55013","state":"PUBLISHED","title":"Assemblyline 4 Service Client: Arbitrary Write through path traversal in Client code","description":"The Assemblyline 4 Service Client interfaces with the API to fetch tasks and publish the result for a service in Assemblyline 4. In versions below 4.6.1.dev138, the Assemblyline 4 Service Client (task_handler.py) accepts a SHA-256 value returned by the service server and uses it directly as a local file name.A malicious or compromised server (or any MITM that can speak to client) can return a path-traversal payload such as `../../../etc/cron.d/evil` and force the client to write the downloaded bytes to an arbitrary location on disk. This is fixed in version 4.6.1.dev138.","publishedAt":"2025-08-09T02:02:23.602Z","updatedAt":"2025-08-12T13:26:26.900Z","severity":{"score":4.2,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["CybercentreCanada assemblyline"],"affected":[{"vendor":"CybercentreCanada","product":"assemblyline","versions":[{"version":"< 4.6.1.dev138","status":"affected"}]}],"references":["https://github.com/CybercentreCanada/assemblyline/security/advisories/GHSA-75jv-vfxf-3865","https://github.com/CybercentreCanada/assemblyline-service-client/commit/351414e7e96cc1f5640ae71ae51b939e8ba30900"],"weaknesses":["CWE-23"],"ingestedAt":"2026-10-29T20:09:31.862Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/55xxx/CVE-2025-55013.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-55013","state":"PUBLISHED","datePublished":"2025-08-09T02:02:23.602Z","dateUpdated":"2025-08-12T13:26:26.900Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-08-04T17:34:24.422Z"},"containers":{"cna":{"title":"Assemblyline 4 Service Client: Arbitrary Write through path traversal in Client code","descriptions":[{"lang":"en","value":"The Assemblyline 4 Service Client interfaces with the API to fetch tasks and publish the result for a service in Assemblyline 4. In versions below 4.6.1.dev138, the Assemblyline 4 Service Client (task_handler.py) accepts a SHA-256 value returned by the service server and uses it directly as a local file name.A malicious or compromised server (or any MITM that can speak to client) can return a path-traversal payload such as `../../../etc/cron.d/evil` and force the client to write the downloaded bytes to an arbitrary location on disk. This is fixed in version 4.6.1.dev138."}],"affected":[{"vendor":"CybercentreCanada","product":"assemblyline","versions":[{"version":"< 4.6.1.dev138","status":"affected"}]}],"references":[{"url":"https://github.com/CybercentreCanada/assemblyline/security/advisories/GHSA-75jv-vfxf-3865","name":"https://github.com/CybercentreCanada/assemblyline/security/advisories/GHSA-75jv-vfxf-3865","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/CybercentreCanada/assemblyline-service-client/commit/351414e7e96cc1f5640ae71ae51b939e8ba30900","name":"https://github.com/CybercentreCanada/assemblyline-service-client/commit/351414e7e96cc1f5640ae71ae51b939e8ba30900","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"ADJACENT_NETWORK","availabilityImpact":"LOW","baseScore":4.2,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-23","lang":"en","description":"CWE-23: Relative Path Traversal","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2025-08-12T13:26:26.900Z"},"source":{"advisory":"GHSA-75jv-vfxf-3865","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-08-11T14:07:26.606408Z","id":"CVE-2025-55013","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-08-11T14:07:39.454Z"}}]}}}