SB2025020741 - Null pointer dereference in BIG-IP SIP ALG profile
Published: February 7, 2025
Security Bulletin ID
SB2025020741
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2025-20045)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error when the Session Initiation Protocol (SIP) application layer gateway (ALG) profile with Passthru Mode enabled and the SIP router ALG profile are configured on a Message Routing type virtual server. A remote attacker can send specially crafted traffic to the device and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.