Buffer overflow in Tug Tex Live
CVE-2018-17407
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.021 (80.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Tug Tex Live
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
References
- github.com/TeX-Live/texlive-source/commit/6ed0077520e2b0da1fd060c7f88db7b2e6068… (Patch, Third Party Advisory)
- www.debian.org/security/2018/dsa-4299 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-security-announce/2018/msg00230.html (Mailing List, Third Party Advisory)
- usn.ubuntu.com/3788-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3788-2/ (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-17407?
- CVE-2018-17407 is a high-severity vulnerability in Tug Tex Live, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2018-09-23.
- How severe is CVE-2018-17407?
- High severity. CVSS v3 base score is 7.8 out of 10.