NULL Pointer Dereference Affecting squid-sysvinit package, versions *


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.26% (86th percentile)

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  • Snyk IDSNYK-RHEL7-SQUIDSYSVINIT-1378101
  • published26 Jul 2021
  • disclosed18 Apr 2018

Introduced: 18 Apr 2018

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

How to fix?

There is no fixed version for RHEL:7 squid-sysvinit.

NVD Description

Note: Versions mentioned in the description apply only to the upstream squid-sysvinit package and not the squid-sysvinit package as distributed by RHEL. See How to fix? for RHEL:7 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.