CVE-2016-0778 Memory corruption in n/a
Remote servers can cause a heap-based buffer overflow and denial of service in the OpenSSH client when specific proxy and forwarding options are enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-0778?
CVE-2016-0778 is a high-severity memory corruption vulnerability in Apple Mac Os X, published on 14 Jan 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The (1) roaming_read and (2) roaming_write functions in roaming_common.c in the client in OpenSSH 5.x, 6.x, and 7.x before 7.1p2, when certain proxy and forward options are enabled, do not properly maintain connection file descriptors, which allows remote servers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact by requesting many forwardings.
Weakness: CWE-119
Which versions are affected by CVE-2016-0778?
It affects 6 products.
Products include Apple Mac Os X, Hp Virtual Customer Access System, OpenSSH, Oracle Linux, Oracle Solaris, Sophos Unified Threat Management Software.
How do I fix CVE-2016-0778?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2016-0778 being exploited?
There is no known exploitation of CVE-2016-0778 in the wild and no public exploit code.
Other vulnerabilities in Apple Mac Os X
Sources
Also known as DEBIAN-CVE-2016-0778, GHSA-cqpr-rfm2-cchc, UBUNTU-CVE-2016-0778.