Vulnerability in Christos Zoulas File
CVE-2013-7345
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.030 (87.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: 0.000
Affected products
- Christos Zoulas File
- PHP
- Debian Linux — versions 6.0, 7.0, 8.0
Public proof-of-concept exploits
References
- github.com/file/file/commit/ef2329cf71acb59204dd981e2c6cce6c81fe467c (Exploit, Patch, Third Party Advisory)
- bugs.debian.org/cgi-bin/bugreport.cgi (Third Party Advisory, Issue Tracking)
- bugs.gw.com/view.php (Exploit, Patch, Third Party Advisory, Issue Tracking, Broken Link)
- support.apple.com/kb/HT6443 (Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2014-1765.html (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2014/dsa-2873 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2013-7345?
- CVE-2013-7345 is a vulnerability in Christos Zoulas File. Published 2014-03-24.
- Is CVE-2013-7345 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.