SB2023011182 - Out-of-bounds write in Juniper Junos OS
Published: January 11, 2023
Security Bulletin ID
SB2023011182
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) Out-of-bounds write (CVE-ID: CVE-2023-22411)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to out-of-bounds write error in Flow Processing Daemon (flowd). A remote non-authenticated attacker can cause Denial of Service (DoS).
On SRX Series devices using Unified Policies with IPv6, when a specific IPv6 packet goes through a dynamic-application filter which will generate an ICMP deny message, the flowd core is observed and the PFE is restarted.
Remediation
Install update from vendor's website.