USN-2966-1: OpenSSH vulnerabilities
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
Event History
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
What is the severity of USN-2966-1?
The severity of USN-2966-1 is considered high due to potential privilege escalation vulnerabilities.
How do I fix USN-2966-1?
To fix USN-2966-1, upgrade the OpenSSH server to the patched version provided in the advisory for your Ubuntu release.
What products are affected by USN-2966-1?
USN-2966-1 affects various versions of OpenSSH server running on Ubuntu 12.04, 14.04, and 15.10.
Can a local attacker exploit USN-2966-1?
Yes, a local attacker could exploit USN-2966-1 to gain elevated privileges on affected systems.
Is remote exploitation possible with USN-2966-1?
Yes, USN-2966-1 also involves vulnerabilities that could potentially be exploited remotely under certain conditions.