Information Exposure Affecting php-devel package, versions <0:7.3.20-1.module+el8.2.0+7373+b272fdef


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.43% (75th percentile)

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  • Snyk ID SNYK-CENTOS8-PHPDEVEL-1957583
  • published 26 Jul 2021
  • disclosed 1 Apr 2020

How to fix?

Upgrade Centos:8 php-devel to version 0:7.3.20-1.module+el8.2.0+7373+b272fdef or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream php-devel package and not the php-devel package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

In PHP versions 7.2.x below 7.2.29, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using get_headers() with user-supplied URL, if the URL contains zero (\0) character, the URL will be silently truncated at it. This may cause some software to make incorrect assumptions about the target of the get_headers() and possibly send some information to a wrong server.

CVSS Scores

version 3.1
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NVD

4.3 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Required
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    None
  • Availability (A)
    None
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Red Hat

4.3 medium
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SUSE

5.3 medium