SB2020091016 - Cryptographic issues in F5 BIG-IP products
Published: September 10, 2020 Updated: September 10, 2020
Security Bulletin ID
SB2020091016
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 security vulnerability.
1) Cryptographic issues (CVE-ID: CVE-2020-5929)
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to usage of insecue Anonymous Diffie-Hellman (ADH) or Ephemeral Diffie-Hellman (DHE) ciphers. A remote attacker can use multiple crafted SSL/TLS handshakes to the vulnerable BIG-IP virtual server, recover the shared secret of past sessions and perform plaintext recovery of encrypted messages.
Remediation
Install update from vendor's website.