SB2023032405 - Remote code execution in GNU Emacs

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Main Vulnerability Database SB2023032405

SB2023032405 - Remote code execution in GNU Emacs

Published: March 24, 2023 Updated: June 19, 2023

Security Bulletin ID SB2023032405
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) OS Command Injection (CVE-ID: CVE-2023-27985)

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation when processing data passed via the mailto: URI. A remote attacker can trick the victim to click on a specially crafted link and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


2) Code Injection (CVE-ID: CVE-2023-27986)

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.

References