SB2022101264 - Denial of service in Junos OS and Junos OS Evolved PPMD
Published: October 12, 2022
Security Bulletin ID
SB2022101264
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Handling of Exceptional Conditions (CVE-ID: CVE-2022-22224)
CWE-ID: CWE-755 - Improper Handling of Exceptional Conditions
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect error handling when processing malformed OSPF TLV within the periodic packet management daemon (PPMD) process. A remote attacker on the local network can send malformed OSPF TLV and cause the PPMD process to enter an infinite loop.
Remediation
Install update from vendor's website.