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CRLF Injection Affecting apache2 package, versions <2.4.25-1

Severity

 Recommended
low

Based on Debian security rating.

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
0.4% (75th percentile)

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  • Snyk IDSNYK-DEBIAN10-APACHE2-391119
  • published14 Aug 2018
  • disclosed14 Aug 2018
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Introduced: 14 Aug 2018

CVE-2016-4975  (opens in a new tab)
CWE-93  (opens in a new tab)

How to fix?

Upgrade Debian:10 apache2 to version 2.4.25-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream apache2 package and not the apache2 package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

Possible CRLF injection allowing HTTP response splitting attacks for sites which use mod_userdir. This issue was mitigated by changes made in 2.4.25 and 2.2.32 which prohibit CR or LF injection into the "Location" or other outbound header key or value. Fixed in Apache HTTP Server 2.4.25 (Affected 2.4.1-2.4.23). Fixed in Apache HTTP Server 2.2.32 (Affected 2.2.0-2.2.31).

References