CVE-2013-7345
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. Limited direct impact.
- Exploit odds
- 3.0% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 3.0% in the next 30 days (EPSS).
- Severity: 5.0 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 3.0% · EPSS, next 30 days
- Record status
- Modified
Affected
- Christos Zoulas File < 5.15
- PHP < 5.4.27
- PHP < 5.5.11
- Debian Linux 6.0
- Debian Linux 7.0
- Debian Linux 8.0
Attack profile CVSS 2.0 · 5.0
- Attack vector
- Network
- Complexity
- Low
- Authentication
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- Partial
Raw vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2013-7345.md and follow it. Check whether this project is affected by CVE-2013-7345. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://bugs.gw.com/view.php?id=164
- https://github.com/file/file/commit/ef2329cf71acb59204dd981e2c6cce6c81fe467c
- http://bugs.gw.com/view.php?id=164
- https://github.com/file/file/commit/ef2329cf71acb59204dd981e2c6cce6c81fe467c
References
- http://bugs.gw.com/view.php?id=164
- http://rhn.redhat.com/errata/RHSA-2014-1765.html
- http://support.apple.com/kb/HT6443
- http://www.debian.org/security/2014/dsa-2873
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=703993
- https://github.com/file/file/commit/ef2329cf71acb59204dd981e2c6cce6c81fe467c
- http://bugs.gw.com/view.php?id=164
- http://rhn.redhat.com/errata/RHSA-2014-1765.html
- http://support.apple.com/kb/HT6443
- http://www.debian.org/security/2014/dsa-2873
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=703993
- https://github.com/file/file/commit/ef2329cf71acb59204dd981e2c6cce6c81fe467c