Vulnerability CVE-2022-2068


Published: 2022-06-21

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).

Type:

CWE-78

(Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') )

CVSS2 => (AV:N/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
10/10
10/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Openssl -> Openssl 
Debian -> Debian linux 

 References:
https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=9639817dac8bbbaa64d09efad7464ccc405527c7
https://www.openssl.org/news/secadv/20220621.txt
https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=7a9c027159fe9e1bbc2cd38a8a2914bff0d5abd9
https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=2c9c35870601b4a44d86ddbf512b38df38285cfa
https://www.debian.org/security/2022/dsa-5169

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