CVE-2018-17407
Published: 23 September 2018
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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
texlive-bin Launchpad, Ubuntu, Debian |
bionic |
Released
(2017.20170613.44572-8ubuntu0.1)
|
| cosmic |
Released
(2018.20180824.48463-1ubuntu0.1)
|
|
| trusty |
Released
(2013.20130729.30972-2ubuntu0.1)
|
|
| upstream |
Released
(2018.20180907.48586-2)
|
|
| xenial |
Released
(2015.20160222.37495-1ubuntu0.1)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| 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 |
References
- https://github.com/TeX-Live/texlive-source/commit/6ed0077520e2b0da1fd060c7f88db7b2e6068e4c
- https://lists.debian.org/debian-security-announce/2018/msg00230.html
- https://ubuntu.com/security/notices/USN-3788-1
- https://ubuntu.com/security/notices/USN-3788-2
- https://www.cve.org/CVERecord?id=CVE-2018-17407
- NVD
- Launchpad
- Debian