CVE-2021-42257

Description

check_smart before 6.9.1 allows unintended drive access by an unprivileged user because it only checks for a substring match of a device path (the /dev/bus substring and a number), aka an unanchored regular expression.

Affected Platforms

Weakness Type

CWE-20

References

• http://www.openwall.com/lists/oss-security/2021/10/14/2
• https://bugzilla.suse.com/show_bug.cgi?id=1183057
• https://nvd.nist.gov/vuln/detail/CVE-2021-42257
• https://www.claudiokuenzler.com/blog/1068/check_smart-6.9.1-security-fix-release…
• https://www.claudiokuenzler.com/monitoring-plugins/check_smart.php
• http://www.openwall.com/lists/oss-security/2021/10/14/2