SB2024031137 - Timing side-channel attack in libgcrypt
Published: March 11, 2024
Security Bulletin ID
SB2024031137
Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
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-2024-2236)
The vulnerability allows a remote attacker to perform timing attack.
The vulnerability exists due to an error in libgcrypt's RSA implementation. A remote attacker can initiate a Bleichenbacher-style attack, which can lead to the decryption of RSA ciphertexts.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.