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.
References
Third Party Advisory
ExploitIssue TrackingPatchThird Party Advisory
Third Party Advisory
ExploitThird Party Advisory
CvssV3 impact
BaseSeverity | HIGH |
ConfidentialityImpact | NONE |
AttackComplexity | LOW |
Scope | UNCHANGED |
AttackVector | LOCAL |
AvailabilityImpact | HIGH |
IntegrityImpact | HIGH |
PrivilegesRequired | LOW |
BaseScore | 7.1 |
VectorString | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
Version | 3.1 |
UserInteraction | NONE |
CvssV2 impact
AccessComplexity | LOW |
ConfidentialityImpact | NONE |
AvailabilityImpact | PARTIAL |
IntegrityImpact | PARTIAL |
BaseScore | 3.6 |
VectorString | AV:L/AC:L/Au:N/C:N/I:P/A:P |
Version | 2.0 |
AccessVector | LOCAL |
Authentication | NONE |