Improper Authentication Affecting httpd package, versions <0:2.4.6-45.el7_3.4


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
1.1% (86th percentile)

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  • Snyk IDSNYK-RHEL7-HTTPD-4709749
  • published26 Jul 2021
  • disclosed20 Dec 2016

Introduced: 20 Dec 2016

CVE-2016-0736  (opens in a new tab)
CWE-287  (opens in a new tab)

How to fix?

Upgrade RHEL:7 httpd to version 0:2.4.6-45.el7_3.4 or higher.
This issue was patched in RHSA-2017:0906.

NVD Description

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

In Apache HTTP Server versions 2.4.0 to 2.4.23, mod_session_crypto was encrypting its data/cookie using the configured ciphers with possibly either CBC or ECB modes of operation (AES256-CBC by default), hence no selectable or builtin authenticated encryption. This made it vulnerable to padding oracle attacks, particularly with CBC.

References