Vulnerability CVE-2018-17407
Published: 2018-09-23

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.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Debian -> Debian linux 
Canonical -> Ubuntu linux 

 References:
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/
https://www.debian.org/security/2018/dsa-4299
Copyright 2024, cxsecurity.com

 

Back to Top