Vulnerability Description
GOST engine is a reference implementation of the Russian GOST crypto algorithms for OpenSSL. TLS clients using GOST engine when ciphersuite `TLS_GOSTR341112_256_WITH_KUZNYECHIK_CTR_OMAC` is agreed and the server uses 512 bit GOST secret keys are vulnerable to buffer overflow. GOST engine version 3.0.1 contains a patch for this issue. Disabling ciphersuite `TLS_GOSTR341112_256_WITH_KUZNYECHIK_CTR_OMAC` is a possible workaround.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gost Engine Project | Gost Engine | < 3.0.1 |
Related Weaknesses (CWE)
References
- https://github.com/gost-engine/engine/commit/7df766124f87768b43b9e8947c5a01e1754PatchThird Party Advisory
- https://github.com/gost-engine/engine/commit/b2b4d629f100eaee9f5942a106b1ccefe85PatchThird Party Advisory
- https://github.com/gost-engine/engine/commit/c6655a0b620a3e31f085cc906f8073fe81bPatchThird Party Advisory
- https://github.com/gost-engine/engine/releases/tag/v3.0.1Release NotesThird Party Advisory
- https://github.com/gost-engine/engine/security/advisories/GHSA-2rmw-8wpg-vgw5Third Party Advisory
- https://github.com/gost-engine/engine/commit/7df766124f87768b43b9e8947c5a01e1754PatchThird Party Advisory
- https://github.com/gost-engine/engine/commit/b2b4d629f100eaee9f5942a106b1ccefe85PatchThird Party Advisory
- https://github.com/gost-engine/engine/commit/c6655a0b620a3e31f085cc906f8073fe81bPatchThird Party Advisory
- https://github.com/gost-engine/engine/releases/tag/v3.0.1Release NotesThird Party Advisory
- https://github.com/gost-engine/engine/security/advisories/GHSA-2rmw-8wpg-vgw5Third Party Advisory
FAQ
What is CVE-2022-29242?
CVE-2022-29242 is a vulnerability with a CVSS score of 5.9 (MEDIUM). GOST engine is a reference implementation of the Russian GOST crypto algorithms for OpenSSL. TLS clients using GOST engine when ciphersuite `TLS_GOSTR341112_256_WITH_KUZNYECHIK_CTR_OMAC` is agreed and...
How severe is CVE-2022-29242?
CVE-2022-29242 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-29242?
Check the references section above for vendor advisories and patch information. Affected products include: Gost Engine Project Gost Engine.