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Improper Output Neutralization for Logs Affecting squid package, versions <7:3.5.20-15.el7

Severity

 Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
12.91% (97th percentile)

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  • Snyk IDSNYK-CENTOS7-SQUID-2155247
  • published26 Jul 2021
  • disclosed19 Jan 2018
Report a new vulnerability Found a mistake?

Introduced: 19 Jan 2018

CVE-2018-1000027  (opens in a new tab)
CWE-117  (opens in a new tab)

How to fix?

Upgrade Centos:7 squid to version 7:3.5.20-15.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream squid package and not the squid package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

The Squid Software Foundation Squid HTTP Caching Proxy version prior to version 4.0.23 contains a NULL Pointer Dereference vulnerability in HTTP Response X-Forwarded-For header processing that can result in Denial of Service to all clients of the proxy. This attack appear to be exploitable via Remote HTTP server responding with an X-Forwarded-For header to certain types of HTTP request. This vulnerability appears to have been fixed in 4.0.23 and later.