CVE-2021-42257

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

7.1 /10

CVSS v3 : 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

3.6 /10

CVSS v2.0 : LOW

V2 Legend

Vector : AV:L/AC:L/Au:N/C:N/I:P/A:P

Exploitability : 3.9 / Impact : 4.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact PARTIAL

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

Configuration 1 (hide)

cpe:2.3:a:check_smart_project:check_smart:*:*:*:*:*:*:*:*
History

21 Nov 2024, 06:27

Type Values Removed Values Added
References () http://www.openwall.com/lists/oss-security/2021/10/14/2 - Exploit, Third Party Advisory () http://www.openwall.com/lists/oss-security/2021/10/14/2 - Exploit, Third Party Advisory
References () https://bugzilla.suse.com/show_bug.cgi?id=1183057 - Exploit, Issue Tracking, Patch, Third Party Advisory () https://bugzilla.suse.com/show_bug.cgi?id=1183057 - Exploit, Issue Tracking, Patch, Third Party Advisory
References () https://nvd.nist.gov/vuln/detail/CVE-2021-42257 - () https://nvd.nist.gov/vuln/detail/CVE-2021-42257 -
References () https://www.claudiokuenzler.com/blog/1068/check_smart-6.9.1-security-fix-release-pseudo-device-path - Third Party Advisory () https://www.claudiokuenzler.com/blog/1068/check_smart-6.9.1-security-fix-release-pseudo-device-path - Third Party Advisory
References () https://www.claudiokuenzler.com/monitoring-plugins/check_smart.php - Third Party Advisory () https://www.claudiokuenzler.com/monitoring-plugins/check_smart.php - Third Party Advisory

19 Oct 2021, 01:58

Type Values Removed Values Added
CWE CWE-20
CVSS v2 : unknown
v3 : unknown 		v2 : 3.6
v3 : 7.1
CPE cpe:2.3:a:check_smart_project:check_smart:*:*:*:*:*:*:*:*
References (MISC) https://www.claudiokuenzler.com/monitoring-plugins/check_smart.php - (MISC) https://www.claudiokuenzler.com/monitoring-plugins/check_smart.php - Third Party Advisory
References (MISC) https://www.claudiokuenzler.com/blog/1068/check_smart-6.9.1-security-fix-release-pseudo-device-path - (MISC) https://www.claudiokuenzler.com/blog/1068/check_smart-6.9.1-security-fix-release-pseudo-device-path - Third Party Advisory
References (MISC) https://bugzilla.suse.com/show_bug.cgi?id=1183057 - (MISC) https://bugzilla.suse.com/show_bug.cgi?id=1183057 - Exploit, Issue Tracking, Patch, Third Party Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2021/10/14/2 - (MLIST) http://www.openwall.com/lists/oss-security/2021/10/14/2 - Exploit, Third Party Advisory

14 Oct 2021, 21:15

Type Values Removed Values Added
References
  • (MLIST) http://www.openwall.com/lists/oss-security/2021/10/14/2 -

11 Oct 2021, 20:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-10-11 20:15

Updated : 2024-11-21 06:27

NVD link : CVE-2021-42257

Mitre link : CVE-2021-42257

CVE.ORG link : CVE-2021-42257

JSON object : View

Products Affected

check_smart_project

  • check_smart
CWE
CWE-20

Improper Input Validation