CVE Vulnerability

CVE-2020-24455

Missing initialization of a variable in the TPM2 source may allow a privileged user to potentially enable an escalation of privilege via local access. This affects tpm2-tss before 3.0.1 and before 2.4.3.

4.6 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

6.7 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1902167 Issue Tracking Patch
https://github.com/tpm2-software/tpm2-tss/releases/tag/3.0.1 Release Notes Third Party Advisory
https://github.com/tpm2-software/tpm2-tss/releases/tag/2.4.3 Release Notes Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7KPOENCMJU4DMT3BDNUBRK25B3DJ47UO/ Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202107-10 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:tpm2_software_stack_project:tpm2_software_stack:*:*:*:*:*:*:*:*
cpe:2.3:a:tpm2_software_stack_project:tpm2_software_stack:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Information

Published : 2021-02-26 03:15

Updated : 2022-07-30 03:49

NVD link : CVE-2020-24455

Mitre link : CVE-2020-24455

Products Affected
No products.
CWE
CWE-909