Critical curl Vulnerability Exposes Ubuntu to Denial of Service Risks
Summary
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: curl could be made to crash or expose information if it received specially crafted network traffic. Software Description: - curl: HTTP, HTTPS, and FTP client and client libraries Details: Dov Murik discovered that curl incorrectly handled parsing ASN.1 Generalized Time fields. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly obtain sensitive memory contents.
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 24.04 LTS curl 8.5.0-2ubuntu10.2 libcurl3t64-gnutls 8.5.0-2ubuntu10.2 libcurl4t64 8.5.0-2ubuntu10.2 Ubuntu 22.04 LTS curl 7.81.0-1ubuntu1.17 libcurl3-gnutls 7.81.0-1ubuntu1.17 libcurl3-nss 7.81.0-1ubuntu1.17 libcurl4 7.81.0-1ubuntu1.17 Ubuntu 20.04 LTS curl 7.68.0-1ubuntu2.23 libcurl3-gnutls 7.68.0-1ubuntu2.23 libcurl3-nss 7.68.0-1ubuntu2.23 libcurl4 7.68.0-1ubuntu2.23 In general, a standard system update will make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-6944-1
CVE-2024-7264
Package Information
https://launchpad.net/ubuntu/+source/curl/8.5.0-2ubuntu10.2 https://launchpad.net/ubuntu/+source/curl/7.81.0-1ubuntu1.17 https://launchpad.net/ubuntu/+source/curl/7.68.0-1ubuntu2.23