High severity · published Feb 20, 2023
CVE-2022-48339
An issue was discovered in GNU Emacs through 28.2
7.8
CVSS
1.1%
EPSS
No
On KEV
Description
An issue was discovered in GNU Emacs through 28.2. htmlfontify.el has a command injection vulnerability. In the hfy-istext-command function, the parameter file and parameter srcdir come from external input, and parameters are not escaped. If a file name or directory name contains shell metacharacters, code may be executed.
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)1.1% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EM
Emacs · Gnu
through 28.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-48339
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-48339
Patch
https://git.savannah.gnu.org/cgit/emacs.git/commit/?id=1b4dc4691c1f87fc970fbe568b43869a15ad0d4c
lists.debian.org
https://lists.debian.org/debian-lts-announce/2023/05/msg00008.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FLPQ4K6H2S5TY3L5UDN4K4B3L5RQJYQ6/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U6HDBUQNAH2WL4MHWCTUZLN7NGF7CHTK/
Third Party Advisory
https://www.debian.org/security/2023/dsa-5360
More from Emacs
9.8
CVE-2024-39331
In Emacs before 29.4, org-link-expand-abbrev in lisp/ol.el expands a %(...) link abbrev even when it specifies an unsafe function, such as shell-command-to-string
9.8
CVE-2022-48337
GNU Emacs through 28.2 allows attackers to execute commands via shell metacharacters in the name of a source-code file, because lib-src/etags.c uses the system C library function…
8.8
CVE-2017-14482
GNU Emacs before 25.3 allows remote attackers to execute arbitrary code via email with crafted "Content-Type: text/enriched" data containing an x-display XML element that…
7.8
CVE-2026-108976
GNU Emacs before 31.2 (and TRAMP through 2.8.2) allows OS command injection via a filename because tramp-user-regexp has an incomplete list of disallowed inputs
7.8
CVE-2024-53920
In elisp-mode.el in GNU Emacs before 30.1, a user who chooses to invoke elisp-completion-at-point (for code completion) on untrusted Emacs Lisp source code can trigger unsafe Lisp…