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.

CVSS v3.0 6.7 MEDIUM
CVSS v2.0 4.6 MEDIUM

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

4.6^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1902167	Issue Tracking Patch Third Party Advisory
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 (hide)

OR	cpe:2.3:a:tpm2_software_stack_project:tpm2_software_stack::::::::
	cpe:2.3:a:tpm2_software_stack_project:tpm2_software_stack::::::::

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Information

Published : 2021-02-25 19:15

Updated : 2022-07-29 20:49

NVD link : CVE-2020-24455

Mitre link : CVE-2020-24455

JSON object : View

CWE

CWE-909

Missing Initialization of Resource

Products Affected

tpm2_software_stack_project

tpm2_software_stack

fedoraproject

fedora

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6.7 /10