Medium
Canonical Ubuntu
Matthieu Barjole and Victor Cutillas discovered that Sudo incorrectly handled user-specified editors when using the sudoedit command. A local attacker that has permission to use the sudoedit command could possibly use this issue to edit arbitrary files. (CVE-2023-22809) It was discovered that the Protobuf-c library, used by Sudo, incorrectly handled certain arithmetic shifts. An attacker could possibly use this issue to cause Sudo to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-33070) Update Instructions: Run sudo pro fix USN-5811-1
to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: sudo-ldap – 1.8.21p2-3ubuntu1.5 sudo – 1.8.21p2-3ubuntu1.5 No subscription required
CVEs contained in this USN include: CVE-2022-33070, CVE-2023-22809.
Severity is medium unless otherwise noted.
* 1.x versions prior to 1.171
* All versions prior to 0.351.0
* All versions prior to 0.59.0
* 1.x versions prior to 1.80
* All versions prior to 26.4.0, or later versions with Jammy Stemcells prior to 1.80 or Bionic Stemcells prior to 1.171
Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:
* Upgrade 1.x versions to 1.171 or greater
* Upgrade all versions to 0.351.0 or greater
* Upgrade all versions to 0.59.0 or greater
* Upgrade 1.x versions to 1.80 or greater
* Upgrade all versions to 26.4.0 or greater, upgrade Jammy Stemcells to 1.80 or greater, and upgrade Bionic Stemcells to 1.171 or greater
2023-02-24: Initial vulnerability report published.