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OS Command Injection Affecting openssl package, versions <1.1.1l-1ubuntu1.5

Severity

medium

    Threat Intelligence

    EPSS
    9.32% (95th percentile)

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  • Snyk ID SNYK-UBUNTU2110-OPENSSL-2933132
  • published 21 Jun 2022
  • disclosed 21 Jun 2022
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Introduced: 21 Jun 2022

CVE-2022-2068 Open this link in a new tab
CWE-78 Open this link in a new tab

How to fix?

Upgrade Ubuntu:21.10 openssl to version 1.1.1l-1ubuntu1.5 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssl package and not the openssl package as distributed by Ubuntu. See How to fix? for Ubuntu:21.10 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).

References

CVSS Scores

version 3.1
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Snyk

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

9.8 critical
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SUSE

6.7 medium
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Red Hat

6.7 medium