CVE-2016-1907 Denial of service in n/a
Remote attackers can crash the OpenSSH server via crafted network traffic, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-1907?
CVE-2016-1907 is a medium-severity denial of service vulnerability in OpenSSH, published on 19 Jan 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The ssh_packet_read_poll2 function in packet.c in OpenSSH before 7.1p2 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via crafted network traffic.
Weakness: CWE-119
Which versions are affected by CVE-2016-1907?
It affects 1 product.
Products include OpenSSH.
How do I fix CVE-2016-1907?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2016-1907 being exploited?
There is no known exploitation of CVE-2016-1907 in the wild and no public exploit code.
Other vulnerabilities in OpenSSH
Sources
Also known as ALPINE-CVE-2016-1907, DEBIAN-CVE-2016-1907, GHSA-3xwc-hv27-5fhw.