High severity · published May 20, 2023
CVE-2023-32700
LuaTeX before 1.17.0 allows execution of arbitrary shell commands when compiling a TeX file obtained from an untrusted source
7.8
CVSS
0.8%
EPSS
No
On KEV
Description
LuaTeX before 1.17.0 allows execution of arbitrary shell commands when compiling a TeX file obtained from an untrusted source. This occurs because luatex-core.lua lets the original io.popen be accessed. This also affects TeX Live before 2023 r66984 and MiKTeX before 23.5.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LU
Luatex · Luatex Project
1.04 before 1.16.2 · source: NVD
MI
Miktex · Miktex
2.9.6300 before 23.5 · source: NVD
TL
Tex Live · Tug
2017 before 2023 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-32700
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-32700
Release Notes
https://github.com/TeX-Live/texlive-source/releases/tag/build-svn66984
Release Notes
https://gitlab.lisn.upsaclay.fr/texlive/luatex/-/tags/1.17.0
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RLY43MIRONJSJVNBDFQHQ26MP3JIOB3H/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TF6YXUUFRGBIXIIIEV5SGBJXXT2SMUK5/
Release Notes
https://tug.org/pipermail/tex-live/2023-May/049188.html
Patch
https://tug.org/~mseven/luatex.html
More from Luatex
5.5
CVE-2023-32668
LuaTeX before 1.17.0 allows a document (compiled with the default settings) to make arbitrary network requests