Ubuntu 23.04, 22.04 LTS: USN-6488-1 Critical DoS Risk from strongSwan
ubuntu
November 20, 2023
strongSwan could be made to crash or run programs if it received specially crafted network traffic.
Summary
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.10 - Ubuntu 23.04 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: strongSwan could be made to crash or run programs if it received specially crafted network traffic. Software Description: - strongswan: IPsec VPN solution Details: Florian Picca discovered that strongSwan incorrectly handled certain DH public values. A remote attacker could use this issue to cause strongSwan to crash, resulting in a denial of service, or possibly execute arbitrary code.
Topics Covered
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 23.10: libstrongswan 5.9.11-1ubuntu1.1 strongswan 5.9.11-1ubuntu1.1 Ubuntu 23.04: libstrongswan 5.9.8-3ubuntu4.1 strongswan 5.9.8-3ubuntu4.1 Ubuntu 22.04 LTS: libstrongswan 5.9.5-2ubuntu2.2 strongswan 5.9.5-2ubuntu2.2 Ubuntu 20.04 LTS: libstrongswan 5.8.2-1ubuntu3.6 strongswan 5.8.2-1ubuntu3.6 In general, a standard system update will make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-6488-1
CVE-2023-41913
PREVIOUS
NEXT
Severity
critical
Lowest
Low
Medium
High
Critical
Ubuntu Security Notice USN-6488-1
Topics Covered
Package Information
https://launchpad.net/ubuntu/+source/strongswan/5.9.8-3ubuntu4.1 https://launchpad.net/ubuntu/+source/strongswan/5.9.5-2ubuntu2.2 https://launchpad.net/ubuntu/+source/strongswan/5.8.2-1ubuntu3.6
Get the latest News and Insights
Get the latest Linux and open source security news straight to your inbox.
Powered By
Linux Security - Your source for Top Linux News, Advisories, HOWTOs and Feature Releases
QUICK LINKS
subscribe to newsletters!
Like staying secure? So do we.
Sign up for updates, tips, and alerts!