Arbitrary Command Injection Affecting openssl-libs package, versions <1:1.1.1k-7.el8_6



    Attack Complexity Low
    Privileges Required High
    Confidentiality High
    Integrity High
    Availability High
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9.8 critical
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6.7 medium
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Red Hat
6.7 medium

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  • published 22 Jun 2022
  • disclosed 21 Jun 2022

How to fix?

Upgrade Centos:8 openssl-libs to version 1:1.1.1k-7.el8_6 or higher.

NVD Description

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

In addition to the c_rehash shell command injection identified in CVE-2022-1292, further circumstances where the c_rehash script does not properly sanitise shell metacharacters to prevent command injection were found by code review. When the CVE-2022-1292 was fixed it was not discovered that there are other places in the script where the file names of certificates being hashed were possibly passed to a command executed through the shell. This script is distributed by some operating systems in a manner where it is automatically executed. On such operating systems, an attacker could execute arbitrary commands with the privileges of the script. Use of the c_rehash script is considered obsolete and should be replaced by the OpenSSL rehash command line tool. Fixed in OpenSSL 3.0.4 (Affected 3.0.0,3.0.1,3.0.2,3.0.3). Fixed in OpenSSL 1.1.1p (Affected 1.1.1-1.1.1o). Fixed in OpenSSL 1.0.2zf (Affected 1.0.2-1.0.2ze).