SB2025021814 - Timing attack in m2crypto
Published: February 18, 2025
Security Bulletin ID
SB2025021814
Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information Exposure Through Timing Discrepancy (CVE-ID: CVE-2023-50781)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to possibility of the Bleichenbacher timing attack in the RSA decryption API via the timed processing of valid PKCS#1 v1.5 Ciphertext. A remote attacker can gain access to sensitive information.
Note, the vulnerability exists due ti incomplete fix for #VU65771 (CVE-2020-25657).
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.