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CVE-2018-17407

Publication date 23 September 2018

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.8 · High

Score breakdown

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.

Status

Package Ubuntu Release Status
texlive-bin 18.10 cosmic
Fixed 2018.20180824.48463-1ubuntu0.1
18.04 LTS bionic
Fixed 2017.20170613.44572-8ubuntu0.1
16.04 LTS xenial
Fixed 2015.20160222.37495-1ubuntu0.1
14.04 LTS trusty
Fixed 2013.20130729.30972-2ubuntu0.1

Severity score breakdown

Parameter Value
Base score 7.8 · High
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H