- Vulnerability/
- USN-2966-1
USN-2966-1: OpenSSH vulnerabilities
First published: Mon May 09 2016(Updated: )
Shayan Sadigh discovered that OpenSSH incorrectly handled environment files when the UseLogin feature is enabled. A local attacker could use this issue to gain privileges. (CVE-2015-8325) Ben Hawkes discovered that OpenSSH incorrectly handled certain network traffic. A remote attacker could possibly use this issue to cause OpenSSH to crash, resulting in a denial of service. This issue only applied to Ubuntu 15.10. (CVE-2016-1907) Thomas Hoger discovered that OpenSSH incorrectly handled untrusted X11 forwarding when the SECURITY extension is disabled. A connection configured as being untrusted could get switched to trusted in certain scenarios, contrary to expectations. (CVE-2016-1908) It was discovered that OpenSSH incorrectly handled certain X11 forwarding data. A remote authenticated attacker could possibly use this issue to bypass certain intended command restrictions. (CVE-2016-3115)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/openssh-server | <1:6.9p1-2ubuntu0.2 | 1:6.9p1-2ubuntu0.2 |
| =15.10 | ||
| All of | ||
| ubuntu/openssh-server | <1:6.6p1-2ubuntu2.7 | 1:6.6p1-2ubuntu2.7 |
| =14.04 | ||
| All of | ||
| ubuntu/openssh-server | <1:5.9p1-5ubuntu1.9 | 1:5.9p1-5ubuntu1.9 |
| =12.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2015-8325
- https://ubuntu.com/security/CVE-2016-1907
- https://ubuntu.com/security/CVE-2016-1908
- https://ubuntu.com/security/CVE-2016-3115
- https://launchpad.net/ubuntu/+source/openssh/1:6.9p1-2ubuntu0.2
- https://launchpad.net/ubuntu/+source/openssh/1:6.6p1-2ubuntu2.7
- https://launchpad.net/ubuntu/+source/openssh/1:5.9p1-5ubuntu1.9
- https://ubuntu.com/security/notices/USN-2966-1 (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
- collector/usn
- source/Ubuntu
- agent/software-canonical-lookup
- package-manager/ubuntu
- vendor/ubuntu
- canonical/ubuntu ubuntu
- version/ubuntu ubuntu/15.10
- version/ubuntu ubuntu/14.04
- version/ubuntu ubuntu/12.04