CVE-2023-50781

M2crypto: bleichenbacher timing attacks in the rsa decryption api - incomplete fix for cve-2020-25657

State: Published
Severity: 7.5 High
Published: Feb 5, 2024
Updated: Oct 15, 2026
Reserved: Dec 13, 2023

Description

A flaw was found in m2crypto. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	redhat

Weaknesses

CWE-203 Observable Discrepancy

Affected Products

Product	Versions
m2crypto
Red Hat Enterprise Linux 6Red Hat
Red Hat Enterprise Linux 7Red Hat
Red Hat Enterprise Linux 8Red Hat
Red Hat Enterprise Linux 9Red Hat
Red Hat Enterprise Linux 9Red Hat
Red Hat Update Infrastructure 4 for Cloud ProvidersRed Hat
Red Hat Virtualization 4Red Hat

References

https://access.redhat.com/security/cve/CVE-2023-50781vdb-entry
RHBZ#2254426issue-tracking
https://cert-portal.siemens.com/productcert/html/ssa-265688.html

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