#VU74002 Code Injection in Emacs - CVE-2023-27986
Published: March 24, 2023 / Updated: June 19, 2023
Vulnerability identifier: #VU74002
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2023-27986
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Emacs
Emacs
Software vendor:
GNU
GNU
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation when parsing data passed via the mailto: URI. A remote attacker can trick the victim to click on a specially crafted URL and execute arbitrary Emacs Lisp code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.