Mageia 7: MGASA-2020-0093 Moderate Update for GNU Patch Vulnerabilities
mageia
February 21, 2020
Updated patch package fixes security vulnerabilities: * In GNU patch through 2.7.6, the following of symlinks is mishandled in certain cases other than input files
Summary
Updated patch package fixes security vulnerabilities:
* In GNU patch through 2.7.6, the following of symlinks is mishandled
in certain cases other than input files. (CVE-2019-13636).
* A vulnerability was found in GNU patch through 2.7.6 is vulnerable to
OS shell command injection that can be exploited by opening a crafted
patch file that contains an ed style diff payload with shell
metacharacters (CVE-2019-13638).
* A vulnerability was found in do_ed_script in pch.c in GNU patch through
2.7.6 does not block strings beginning with a ! character. NOTE: this
is the same commit as for CVE-2019-13638, but the ! syntax is specific to
ed, and is unrelated to a shell metacharacter (CVE-2018-20969).
References
- https://bugs.mageia.org/show_bug.cgi?id=25279
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/SVWWGISFWACROJJPVJJL4UBLVZ7LPOLT/
- https://access.redhat.com/errata/RHSA-2019:2798
- https://www.cve.org/CVERecord?id=CVE-2019-13636
- https://www.cve.org/CVERecord?id=CVE-2019-13638
- https://www.cve.org/CVERecord?id=CVE-2018-20969
Resolution
SRPMS
- 7/core/patch-2.7.6-4.1.mga7
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Publication date: 21 Feb 2020
URL: https://advisories.mageia.org/MGASA-2020-0093.html
Type: security
CVE: CVE-2019-13636,
CVE-2019-13638,
CVE-2018-20969
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