USN-6565-1: OpenSSH vulnerabilities
First published: Wed Jan 03 2024(Updated: )
It was discovered that OpenSSH incorrectly handled supplemental groups when running helper programs for AuthorizedKeysCommand and AuthorizedPrincipalsCommand as a different user. An attacker could possibly use this issue to escalate privileges. This issue only affected Ubuntu 20.04 LTS. (CVE-2021-41617) It was discovered that OpenSSH incorrectly added destination constraints when PKCS#11 token keys were added to ssh-agent, contrary to expectations. This issue only affected Ubuntu 22.04 LTS, and Ubuntu 23.04. (CVE-2023-51384) It was discovered that OpenSSH incorrectly handled user names or host names with shell metacharacters. An attacker could possibly use this issue to perform OS command injection. (CVE-2023-51385)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/openssh-client | <1:9.3p1-1ubuntu3.2 | 1:9.3p1-1ubuntu3.2 |
| =23.10 | ||
| All of | ||
| ubuntu/openssh-server | <1:9.3p1-1ubuntu3.2 | 1:9.3p1-1ubuntu3.2 |
| =23.10 | ||
| All of | ||
| ubuntu/openssh-client | <1:9.0p1-1ubuntu8.7 | 1:9.0p1-1ubuntu8.7 |
| =23.04 | ||
| All of | ||
| ubuntu/openssh-server | <1:9.0p1-1ubuntu8.7 | 1:9.0p1-1ubuntu8.7 |
| =23.04 | ||
| All of | ||
| ubuntu/openssh-client | <1:8.9p1-3ubuntu0.6 | 1:8.9p1-3ubuntu0.6 |
| =22.04 | ||
| All of | ||
| ubuntu/openssh-server | <1:8.9p1-3ubuntu0.6 | 1:8.9p1-3ubuntu0.6 |
| =22.04 | ||
| All of | ||
| ubuntu/openssh-client | <1:8.2p1-4ubuntu0.11 | 1:8.2p1-4ubuntu0.11 |
| =20.04 | ||
| All of | ||
| ubuntu/openssh-server | <1:8.2p1-4ubuntu0.11 | 1:8.2p1-4ubuntu0.11 |
| =20.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2021-41617
- https://ubuntu.com/security/CVE-2023-51384
- https://ubuntu.com/security/CVE-2023-51385
- https://ubuntu.com/security/notices/USN-5666-1
- https://ubuntu.com/security/notices/USN-6560-2
- https://launchpad.net/ubuntu/+source/openssh/1:9.3p1-1ubuntu3.2
- https://launchpad.net/ubuntu/+source/openssh/1:9.0p1-1ubuntu8.7
- https://launchpad.net/ubuntu/+source/openssh/1:8.9p1-3ubuntu0.6
- https://launchpad.net/ubuntu/+source/openssh/1:8.2p1-4ubuntu0.11
- https://ubuntu.com/security/notices/USN-6565-1 (Advisory)
Child vulnerabilities
(Contains the following vulnerabilities)
- agent/description
- agent/event
- agent/first-publish-date
- agent/last-modified-date
- agent/references
- agent/severity
- agent/softwarecombine
- agent/tags
- agent/title
- agent/type
- agent/weakness
- collector/usn
- source/Ubuntu
- anchor-related/USN-5666-1
- anchor-related/USN-6560-2
- agent/software-canonical-lookup
- package-manager/ubuntu
- vendor/ubuntu
- canonical/ubuntu ubuntu
- version/ubuntu ubuntu/23.10
- version/ubuntu ubuntu/23.04
- version/ubuntu ubuntu/22.04
- version/ubuntu ubuntu/20.04