CVE Vulnerability

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.

3.6 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

7.1 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://www.claudiokuenzler.com/monitoring-plugins/check_smart.php Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1183057 Exploit Issue Tracking
https://www.claudiokuenzler.com/blog/1068/check_smart-6.9.1-security-fix-release-pseudo-device-path Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/10/14/2 Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:check_smart_project:check_smart:*:*:*:*:*:*:*:*
Information

Published : 2021-10-11 08:15

Updated : 2021-10-19 01:58

NVD link : CVE-2021-42257

Mitre link : CVE-2021-42257

Products Affected
No products.
CWE
CWE-20