NULL Pointer Dereference Affecting squid-migration-script package, versions <7:3.5.20-15.amzn2.1.1


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
8.31% (95th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-AMZN2-SQUIDMIGRATIONSCRIPT-1683698
  • published27 Sept 2021
  • disclosed16 May 2018

Introduced: 16 May 2018

CVE-2018-1172  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 squid-migration-script to version 7:3.5.20-15.amzn2.1.1 or higher.
This issue was patched in ALAS2-2020-1486.

NVD Description

Note: Versions mentioned in the description apply only to the upstream squid-migration-script package and not the squid-migration-script package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

This vulnerability allows remote attackers to deny service on vulnerable installations of The Squid Software Foundation Squid 3.5.27-20180318. Authentication is not required to exploit this vulnerability. The specific flaw exists within ClientRequestContext::sslBumpAccessCheck(). A crafted request can trigger the dereference of a null pointer. An attacker can leverage this vulnerability to create a denial-of-service condition to users of the system. Was ZDI-CAN-6088.