SB2022041366 - Access of uninitialized pointer in Juniper Junos OS
Published: April 13, 2022
Security Bulletin ID
SB2022041366
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) Access of uninitialized pointer (CVE-ID: CVE-2022-22198)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to access of uninitialized pointer error in the SIP ALG. A remote non-authenticated attacker can cause a Denial of Service (DoS).
Continued receipt of these specific packets will cause a sustained Denial of Service condition.
On all MX and SRX platforms, if the SIP ALG is enabled, an MS-MPC or MS-MIC, or SPC will crash if it receives a SIP message with a specific contact header format.
Remediation
Install update from vendor's website.