SB2023080147 - SUSE update for cjose
Published: August 1, 2023
Security Bulletin ID
SB2023080147
CSH Severity
Medium
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 vulnerability.
1) Use of a broken or risky cryptographic algorithm (CVE-ID: CVE-2023-37464)
CWE-ID: CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to an error in the AES GCM decryption routine that uses the Tag length from the actual Authentication Tag provided in the JWE. A remote attacker can provide a truncated Authentication Tag and to modify the JWE accordingly.
Remediation
Install update from vendor's website.