Vulnerability Details : 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 category: Overflow
Products affected by CVE-2018-17407
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
- cpe:2.3:a:tug:tex_live:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-17407
0.23%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 61 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-17407
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2018-17407
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-17407
-
https://github.com/TeX-Live/texlive-source/commit/6ed0077520e2b0da1fd060c7f88db7b2e6068e4c
writet1 protection against buffer overflow · TeX-Live/texlive-source@6ed0077 · GitHubPatch;Third Party Advisory
-
https://www.debian.org/security/2018/dsa-4299
Debian -- Security Information -- DSA-4299-1 texlive-binThird Party Advisory
-
https://lists.debian.org/debian-security-announce/2018/msg00230.html
[SECURITY] [DSA 4299-1] texlive-bin security updateMailing List;Third Party Advisory
-
https://usn.ubuntu.com/3788-2/
USN-3788-2: Tex Live-bin vulnerability | Ubuntu security noticesThird Party Advisory
-
https://usn.ubuntu.com/3788-1/
USN-3788-1: Tex Live vulnerabilities | Ubuntu security noticesThird Party Advisory
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