CVE-2013-7345 Denial of service in n/a
Attackers can cause denial of service via CPU exhaustion by submitting crafted files to applications using the file library for type detection.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-7345?
CVE-2013-7345 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 23 Mar 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The BEGIN regular expression in the awk script detector in magic/Magdir/commands in file before 5.15 uses multiple wildcards with unlimited repetitions, which allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted ASCII file that triggers a large amount of backtracking, as demonstrated via a file with many newline characters.
Which versions are affected by CVE-2013-7345?
It affects 3 products.
Products include Christos Zoulas File, Debian Debian Linux, Php Php.
How do I fix CVE-2013-7345?
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-2013-7345 being exploited?
There is no known exploitation of CVE-2013-7345 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2013-7345, GHSA-63f8-4qqh-pqqj, MGASA-2014-0142, MGASA-2014-0178, UBUNTU-CVE-2013-7345.