Security Bulletin: IBM Cinder plug-in is affected by a vulnerability in the Python Pygments-2.14.0 package [CVE-2022-40896]

Summary

The Python Pygments package, a syntax highlighting package, is used by IBM Cinder plug-in. Pygments-2.14.0 is vulnerable to Regular Expression Denial of Service (ReDoS) due to the usage of insecure regular expressions in SqlJinjaLexer class (vulnerability CVE-2022-40896).

Vulnerability Details

CVEID:CVE-2022-40896
**DESCRIPTION:**Pygments is vulnerable to a denial of service, caused by a ReDoS issue in pygments/lexers/smithy.py. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/261415 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

Remediation/Fixes

Update Python to version >= 3.7

Update pygments library to version >= 2.17.1

Please note:

• The plugin will still work on Python < 3.7, but it is necessary to update to fix this vulnerability as the fixed version of pygments library is not supported on Python < 3.7
• IBM Cinder SVf driver has been tested using non-vulnerable version of pygments library.

Workarounds and Mitigations

None