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CVE ID: CVE-2022-2068

Last updated: July 23, 2022, 4:15 a.m.

Severity: HIGH

Description

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).

Severity score: 10.0 Base score: 10.0 Exploitability score: 10.0 Confidentiality impact: COMPLETE Integrity impact: COMPLETE User interaction required: False Published: June 21, 2022, 3:15 p.m. Data type: CVE Data format: MITRE Assigner: openssl-security@openssl.org Problem type: CWE-78 Reference url: https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=9639817dac8bbbaa64d09efad7464ccc405527c7 Reference name: https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=9639817dac8bbbaa64d09efad7464ccc405527c7 Reference source: CONFIRM CVE version: 2.0 Vector string: AV:N/AC:L/Au:N/C:C/I:C/A:C Access vector: NETWORK Access complexity: LOW Authentication: NONE Base severity: AcInsf info: False Obtain all priviledges: False User privilege: False Other privilege: False

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