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CVE-2022-45939

Date: November 28, 2022

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 in its implementation of the ctags program. For example, a victim may use the "ctags *" command (suggested in the ctags documentation) in a situation where the current working directory has contents that depend on untrusted input.

Language: C

Severity Score

Related Resources (10)

https://nvd.nist.gov/vuln/detail/CVE-2022-45939
https://access.redhat.com/security/cve/CVE-2022-45939
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GOXIH2FDEQJEAARE52C3GHTLGQFBYPIB/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FOSK3J7BBAEI4IITW2DRUKLQYUZYKH6Y/
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-45939
https://security-tracker.debian.org/tracker/CVE-2022-45939
https://git.savannah.gnu.org/cgit/emacs.git/commit/?id=d48bb4874bc6cd3e69c7a15fc3c91cc141025c51
https://www.debian.org/security/2023/dsa-5314
https://lists.debian.org/debian-lts-announce/2022/12/msg00046.html
https://www.mend.io/vulnerability-database/CVE-2022-45939

Severity Score

Weakness Type (CWE)

OS Command Injections

CWE-78

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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