SB2020070244 - Fedora 31 update for squid

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2020070244

SB2020070244 - Fedora 31 update for squid

Published: July 2, 2020 Updated: April 25, 2025

Security Bulletin ID SB2020070244
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) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2020-15049)

The vulnerability allows a remote attacker to perform cache poisoning attack.

The vulnerability exists in the way Squid processes client's requests. A remote client can send specially crafted data in the request to perform request smuggling and poison the HTTP cache contents with crafted HTTP(S) request messages.

Successful exploitation of the vulnerability requires an upstream server to participate in the smuggling and generate the poison response sequence.


2) Exposed dangerous method or function (CVE-ID: CVE-2020-14058)

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

The vulnerability exists due to usage of potentially dangerous function when processing TLS certificates. A remote client can perform a denial of service attack when opening TLS connections.


Remediation

Install update from vendor's website.

References