SB2023102555 - Security restrictions bypass in Junos OS SIP ALG



SB2023102555 - Security restrictions bypass in Junos OS SIP ALG

Published: October 25, 2023

Security Bulletin ID SB2023102555
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper check for unusual or exceptional conditions (CVE-ID: CVE-2023-44198)

The vulnerability allows a remote non-authenticated attacker to manipulate data.

The vulnerability exists due to improper check for unusual or exceptional conditions error in the SIP ALG. A remote non-authenticated attacker can force a device to forward malformed packets and treat them as valid after receiving a specially crafted SIP packet.


Remediation

Install update from vendor's website.