CVE-2019-13636
First published: Wed Jul 17 2019(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/patch | <=2.7.6-4<=2.7.6-3 | 2.7.6-5 2.7.6-3+deb10u1 2.7.5-1+deb9u2 |
| debian/patch | 2.7.6-7 | |
| GNU Patch | <=2.7.6 |
Remedy
https://git.savannah.gnu.org/cgit/patch.git/commit/?id=dce4683cbbe107a95f1f0d45fabc304acfb5d71a
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Reference Links
- https://security-tracker.debian.org/tracker/CVE-2019-13636
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13636
- https://git.savannah.gnu.org/cgit/patch.git/commit/?id=dce4683cbbe107a95f1f0d45fabc304acfb5d71a
- https://security-tracker.debian.org/tracker/CVE-2019-13638
- https://security-tracker.debian.org/tracker/CVE-2018-1000156
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=932401
- http://packetstormsecurity.com/files/154124/GNU-patch-Command-Injection-Directory-Traversal.html
- https://github.com/irsl/gnu-patch-vulnerabilities
- https://lists.debian.org/debian-lts-announce/2019/07/msg00016.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SVWWGISFWACROJJPVJJL4UBLVZ7LPOLT/
- https://seclists.org/bugtraq/2019/Aug/29
- https://seclists.org/bugtraq/2019/Jul/54
- https://security.gentoo.org/glsa/201908-22
- https://security.netapp.com/advisory/ntap-20190828-0001/
- https://usn.ubuntu.com/4071-1/
- https://usn.ubuntu.com/4071-2/
- https://www.debian.org/security/2019/dsa-4489
- https://launchpad.net/bugs/cve/CVE-2019-13636
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVWWGISFWACROJJPVJJL4UBLVZ7LPOLT/
- https://nvd.nist.gov/vuln/detail/CVE-2019-13636
- https://ubuntu.com/security/CVE-2019-13636
Frequently Asked Questions
What is the severity of CVE-2019-13636?
CVE-2019-13636 has been rated as medium severity due to mishandling of symlinks in GNU patch.
How do I fix CVE-2019-13636?
To fix CVE-2019-13636, upgrade GNU patch to version 2.7.6-7 or later.
What versions are affected by CVE-2019-13636?
CVE-2019-13636 affects GNU patch versions up to and including 2.7.6.
Which software is impacted by CVE-2019-13636?
CVE-2019-13636 impacts GNU patch software, particularly versions prior to 2.7.6.
Is CVE-2019-13636 specific to any operating system?
CVE-2019-13636 is primarily noted in Debian distributions using affected versions of GNU patch.
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