SB20240806359 - Amazon Linux AMI update for emacs

Security Bulletin ID SB20240806359

Severity

High

Patch available

YES

Number of vulnerabilities 2

Exploitation vector Remote access

Highest impact Code execution

Breakdown by Severity

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

https://alas.aws.amazon.com/AL2023/ALAS-2023-134.html