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.
References (5)
Core 5
Core References
Third Party Advisory x_refsource_confirm
https://github.com/gost-engine/engine/security/advisories/GHSA-2rmw-8wpg-vgw5
Patch, Third Party Advisory x_refsource_misc
https://github.com/gost-engine/engine/commit/7df766124f87768b43b9e8947c5a01e17545772c
Patch, Third Party Advisory x_refsource_misc
https://github.com/gost-engine/engine/commit/b2b4d629f100eaee9f5942a106b1ccefe85b8808
Patch, Third Party Advisory x_refsource_misc
https://github.com/gost-engine/engine/commit/c6655a0b620a3e31f085cc906f8073fe81b2fad3
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/gost-engine/engine/releases/tag/v3.0.1
Scores
CVSS v3
5.9
EPSS
0.0105
EPSS Percentile
77.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-120
Status
published
Products (1)
gost_engine_project/gost_engine
< 3.0.1
Published
May 24, 2022
Tracked Since
Feb 18, 2026