CVE-2013-3571 Denial of service in n/a
Remote attackers can cause denial of service via file descriptor exhaustion when socat is configured with fork and specific port restrictions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-3571?
CVE-2013-3571 is a low-severity denial of service vulnerability in n/a, published on 8 May 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
socat 1.2.0.0 before 1.7.2.2 and 2.0.0-b1 before 2.0.0-b6, when used for a listen type address and the fork option is enabled, allows remote attackers to cause a denial of service (file descriptor consumption) via multiple request that are refused based on the (1) sourceport, (2) lowport, (3) range, or (4) tcpwrap restrictions.
Which versions are affected by CVE-2013-3571?
It affects 1 product.
Products include Dest-Unreach Socat.
How do I fix CVE-2013-3571?
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-2013-3571 being exploited?
There is no known exploitation of CVE-2013-3571 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2013-3571, GHSA-2qp2-pf59-94fr, MGASA-2013-0159.