SB2023120441 - Amazon Linux AMI update for squid

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Main Vulnerability Database SB2023120441

SB2023120441 - Amazon Linux AMI update for squid

Published: December 4, 2023

Security Bulletin ID SB2023120441
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Improper Certificate Validation (CVE-ID: CVE-2023-46724)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation when processing a specially crafted SSL Certificate in a server certificate chain. A remote attacker can initiate a TLS Handshake with a specially crafted SSL certificate and perform a denial of service (DoS) attack.


2) Buffer overflow (CVE-ID: CVE-2023-46724)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error when handling gopher responses. A remote attacker can trick the victim into connecting to a malicious gopher server, trigger a buffer overflow and crash the proxy server.


Remediation

Install update from vendor's website.

References