{"id":"CVE-2025-24903","state":"PUBLISHED","title":"libsignal-service-rs Doesn't Check Origin of Sync Messages","description":"libsignal-service-rs is a Rust version of the libsignal-service-java library which implements the core functionality to communicate with Signal servers. Prior to commit 82d70f6720e762898f34ae76b0894b0297d9b2f8, any contact may forge a sync message, impersonating another device of the local user. The origin of sync messages is not checked. Patched libsignal-service can be found after commit 82d70f6720e762898f34ae76b0894b0297d9b2f8. The `Metadata` struct contains an additional `was_encrypted` field, which breaks the API, but should be easily resolvable. No known workarounds are available.","publishedAt":"2025-02-13T15:20:28.251Z","updatedAt":"2025-02-13T16:27:04.294Z","severity":{"score":8.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["whisperfish libsignal-service-rs"],"affected":[{"vendor":"whisperfish","product":"libsignal-service-rs","versions":[{"version":"< 82d70f6720e762898f34ae76b0894b0297d9b2f8","status":"affected"}]}],"references":["https://github.com/whisperfish/libsignal-service-rs/security/advisories/GHSA-r58q-66g9-h6g8","https://github.com/whisperfish/libsignal-service-rs/commit/82d70f6720e762898f34ae76b0894b0297d9b2f8"],"weaknesses":["CWE-345"],"ingestedAt":"2026-10-29T20:08:47.682Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/24xxx/CVE-2025-24903.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-24903","state":"PUBLISHED","datePublished":"2025-02-13T15:20:28.251Z","dateUpdated":"2025-02-13T16:27:04.294Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-01-27T15:32:29.453Z"},"containers":{"cna":{"title":"libsignal-service-rs Doesn't Check Origin of Sync Messages","descriptions":[{"lang":"en","value":"libsignal-service-rs is a Rust version of the libsignal-service-java library which implements the core functionality to communicate with Signal servers. Prior to commit 82d70f6720e762898f34ae76b0894b0297d9b2f8, any contact may forge a sync message, impersonating another device of the local user. The origin of sync messages is not checked. Patched libsignal-service can be found after commit 82d70f6720e762898f34ae76b0894b0297d9b2f8. The `Metadata` struct contains an additional `was_encrypted` field, which breaks the API, but should be easily resolvable. No known workarounds are available."}],"affected":[{"vendor":"whisperfish","product":"libsignal-service-rs","versions":[{"version":"< 82d70f6720e762898f34ae76b0894b0297d9b2f8","status":"affected"}]}],"references":[{"url":"https://github.com/whisperfish/libsignal-service-rs/security/advisories/GHSA-r58q-66g9-h6g8","name":"https://github.com/whisperfish/libsignal-service-rs/security/advisories/GHSA-r58q-66g9-h6g8","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/whisperfish/libsignal-service-rs/commit/82d70f6720e762898f34ae76b0894b0297d9b2f8","name":"https://github.com/whisperfish/libsignal-service-rs/commit/82d70f6720e762898f34ae76b0894b0297d9b2f8","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.5,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-345","lang":"en","description":"CWE-345: Insufficient Verification of Data Authenticity","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2025-02-13T15:20:28.251Z"},"source":{"advisory":"GHSA-r58q-66g9-h6g8","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-02-13T16:26:57.836430Z","id":"CVE-2025-24903","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-02-13T16:27:04.294Z"}}]}}}