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

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

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

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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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