Vulnerability in GNU Patch
CVE-2019-13636
In GNU patch through 2.7.6, the following of symlinks is mishandled in certain cases other than input files. This affects inp.c and util.c.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.039 (90.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.039 · newest: 0.039 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- git.savannah.gnu.org/cgit/patch.git/commit/ (Patch, Mailing List, Vendor Advisory)
- lists.debian.org/debian-lts-announce/2019/07/msg00016.html (mailing-list, Third Party Advisory)
- usn.ubuntu.com/4071-1/ (vendor-advisory)
- usn.ubuntu.com/4071-2/ (vendor-advisory)
- www.debian.org/security/2019/dsa-4489 (vendor-advisory)
- seclists.org/bugtraq/2019/Jul/54 (mailing-list)
- seclists.org/bugtraq/2019/Aug/29 (mailing-list)
- packetstormsecurity.com/files/154124/GNU-patch-Command-Injection-Directory-Trav…
- security.gentoo.org/glsa/201908-22 (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2019-13636?
- CVE-2019-13636 is a medium-severity vulnerability in GNU Patch, classified under Improper Link Resolution Before File Access. CVSS score: 5.9/10. Published 2019-07-17.
- How severe is CVE-2019-13636?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2019-13636 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.