SB2023071506 - Authentication bypass in OpenSSL AES-SIV cipher implementation
Published: July 15, 2023 Updated: August 2, 2023
Security Bulletin ID
SB2023071506
Severity
Low
Patch available
YES
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) Improper Authentication (CVE-ID: CVE-2023-2975)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in the AES-SIV cipher implementation when authenticating empty data entries via the EVP_EncryptUpdate() and EVP_CipherUpdate() functions. A remote attacker can bypass authentication process and impact application's integrity.
Remediation
Install update from vendor's website.