CVE-2016-10012 Privilege escalation in n/a
Local attackers can escalate privileges by exploiting a bounds check failure in the OpenSSH shared memory manager when pre-authentication compression is enabled.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-10012?
CVE-2016-10012 is a high-severity vulnerability in OpenSSH, published on 5 Jan 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The shared memory manager (associated with pre-authentication compression) in sshd in OpenSSH before 7.4 does not ensure that a bounds check is enforced by all compilers, which might allows local users to gain privileges by leveraging access to a sandboxed privilege-separation process, related to the m_zback and m_zlib data structures.
Weakness: CWE-119
Which versions are affected by CVE-2016-10012?
It affects 1 product.
Products include OpenSSH.
How do I fix CVE-2016-10012?
Upgrade to a fixed version.
Is CVE-2016-10012 being exploited?
There is no known exploitation of CVE-2016-10012 in the wild and no public exploit code.
Other vulnerabilities in OpenSSH
Sources
Also known as ALPINE-CVE-2016-10012, CLSA-2022-1658171011, CLSA-2022-1658171690, DEBIAN-CVE-2016-10012, GHSA-f4jf-rwp2-rx83, UBUNTU-CVE-2016-10012.