SB2023102518 - Amazon Linux AMI update for exim

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2023102518

SB2023102518 - Amazon Linux AMI update for exim

Published: October 25, 2023

Security Bulletin ID SB2023102518
Severity
Critical
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Stack-based buffer overflow (CVE-ID: CVE-2023-42116)

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

The vulnerability exists due to a boundary error when handling NTLM challenge requests. A remote unauthenticated attacker can send specially crafted data to the server, trigger a stack-based buffer overflow and execute arbitrary code on the target system.



2) Buffer overflow (CVE-ID: CVE-2023-42117)

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

The vulnerability exists due to a boundary error within the smtp service. A remote attacker can send specially crafted data to the server, trigger memory corruption and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.

References