Out-of-Bounds Affecting texlive-dvipng package, versions <2:svn26689.1.14-38.amzn2.0.5
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-AMZN2-TEXLIVEDVIPNG-1682354
- published27 Sept 2021
- disclosed23 Sept 2018
Introduced: 23 Sep 2018
CVE-2018-17407 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2 texlive-dvipng to version 2:svn26689.1.14-38.amzn2.0.5 or higher.
This issue was patched in ALAS2-2020-1461.
NVD Description
Note: Versions mentioned in the description apply only to the upstream texlive-dvipng package and not the texlive-dvipng package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 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
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=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://usn.ubuntu.com/3788-1/
- https://usn.ubuntu.com/3788-2/