CVE-2021-42257

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.1 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 32%
VendorProductVersion
check_smart_projectcheck_smart
𝑥
< 6.9.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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-pseudo-device-path
https://www.claudiokuenzler.com/monitoring-plugins/check_smart.php
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-pseudo-device-path
https://www.claudiokuenzler.com/monitoring-plugins/check_smart.php