Severity
Medium
Vendor
Canonical Ubuntu
Versions Affected
- Canonical Ubuntu 16.04
- Canonical Ubuntu 18.04
Description
Helmut Grohne discovered that Heimdal GSSAPI incorrectly handled logical conditions that are related to memory management operations. An attacker could possibly use this issue to cause a denial of service. Update Instructions: Run `sudo pro fix USN-5849-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libhcrypto4-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4 libwind0-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4 libroken18-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4 libgssapi3-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4 heimdal-kcm – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4 libhdb9-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4 libasn1-8-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4 libsl0-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4 libkadm5clnt7-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4 heimdal-kdc – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4 libkdc2-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4 heimdal-servers – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4 libheimntlm0-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4 heimdal-docs – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4 libheimbase1-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4 libkrb5-26-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4 libotp0-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4 heimdal-dev – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4 libkafs0-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4 libhx509-5-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4 heimdal-multidev – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4 libkadm5srv8-heimdal – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4 heimdal-clients – 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm4 Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
CVEs contained in this USN include: CVE-2022-45142.
Affected Cloud Foundry Products and Versions
Severity is medium unless otherwise noted.
- Bionic Stemcells
-
- 1.x versions prior to 1.174
- All other stemcells not listed.
- cflinuxfs3
-
- All versions prior to 0.351.0
- CF Deployment
-
- All versions prior to 26.4.0, or later versions with Bionic Stemcells prior to 1.174 or Xenial Stemcells prior to 621.418
Mitigation
Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:
- Bionic Stemcells
-
- Upgrade 1.x versions to 1.174 or greater
- All other stemcells should be upgraded to the latest version available on bosh.io.
- cflinuxfs3
-
- Upgrade all versions to 0.351.0 or greater
- CF Deployment
-
- Upgrade all versions to 26.4.0 or greater, upgrade Bionic Stemcells to 1.174 or greater, and upgrade Xenial Stemcells to 621.418 or greater
References
History
2023-02-24: Initial vulnerability report published.
