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CVE-2022-29242

Buffer Overflow on creating key transport blob in GOST Engine

Published: May 24, 2022Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-120
5.9MEDIUM
NVD MITRE
EPSS Score
1.6%
Top 26.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-120

Affected Products

gost-engine
oss-project
engineLibrary
Security Products / pki-crypto
gost engine project
oss-project
gost engineLibrary
Security Products / pki-crypto
Сообщество свободного программного обеспечения
oss-projectaka fsf
GOST engineOn-prem
Operating Systems / linux-distro

Exploitability

Official Patch Available

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/gost-engine/engine/security/advisories/GHSA-2rmw-8wpg-vgw5
github.com
https://github.com/gost-engine/engine/commit/7df766124f87768b43b9e8947c5a01e17545772c
github.com
https://github.com/gost-engine/engine/commit/b2b4d629f100eaee9f5942a106b1ccefe85b8808
github.com
and 7 more references View all →

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