Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tug | Tex Live | < 2018-09-21 |
| Canonical | Ubuntu Linux | 14.04 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- https://github.com/TeX-Live/texlive-source/commit/6ed0077520e2b0da1fd060c7f88db7PatchThird Party Advisory
- https://lists.debian.org/debian-security-announce/2018/msg00230.htmlMailing ListThird Party Advisory
- https://usn.ubuntu.com/3788-1/Third Party Advisory
- https://usn.ubuntu.com/3788-2/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4299Third Party Advisory
- https://github.com/TeX-Live/texlive-source/commit/6ed0077520e2b0da1fd060c7f88db7PatchThird Party Advisory
- https://lists.debian.org/debian-security-announce/2018/msg00230.htmlMailing ListThird Party Advisory
- https://usn.ubuntu.com/3788-1/Third Party Advisory
- https://usn.ubuntu.com/3788-2/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4299Third Party Advisory
FAQ
What is CVE-2018-17407?
CVE-2018-17407 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 whe...
How severe is CVE-2018-17407?
CVE-2018-17407 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-17407?
Check the references section above for vendor advisories and patch information. Affected products include: Tug Tex Live, Canonical Ubuntu Linux, Debian Debian Linux.