Out-of-Bounds Affecting texlive-parskip package, versions <2:svn19963.2.0-45.el7
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CENTOS7-TEXLIVEPARSKIP-2153736
- published26 Jul 2021
- disclosed23 Sept 2018
Introduced: 23 Sep 2018
CVE-2018-17407 (opens in a new tab)How to fix?
Upgrade Centos:7 texlive-parskip to version 2:svn19963.2.0-45.el7 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream texlive-parskip package and not the texlive-parskip package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
An issue was discovered in t1_check_unusual_charstring functions in writet1.c files in TeX Live before 2018-09-21. A buffer overflow in the handling of Type 1 fonts allows arbitrary code execution when a malicious font is loaded by one of the vulnerable tools: pdflatex, pdftex, dvips, or luatex.
References
- https://access.redhat.com/security/cve/CVE-2018-17407
- https://www.debian.org/security/2018/dsa-4299
- https://github.com/TeX-Live/texlive-source/commit/6ed0077520e2b0da1fd060c7f88db7b2e6068e4c
- https://lists.debian.org/debian-security-announce/2018/msg00230.html
- https://access.redhat.com/errata/RHSA-2020:1036
- https://usn.ubuntu.com/3788-1/
- https://usn.ubuntu.com/3788-2/