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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.7 MEDIUM
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
intelCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 29%
VendorProductVersion
tpm2_software_stack_projecttpm2_software_stack
𝑥
< 2.4.3
tpm2_software_stack_projecttpm2_software_stack
3.0.0 ≤
𝑥
< 3.0.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
tpm2-tss
bullseye
3.0.3-2
fixed
buster
not-affected
bookworm
3.2.1-3
fixed
sid
4.1.3-1.1
fixed
trixie
4.1.3-1.1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
tpm2-tss
groovy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
Common Weakness Enumeration
References
https://bugzilla.redhat.com/show_bug.cgi?id=1902167
https://github.com/tpm2-software/tpm2-tss/releases/tag/2.4.3
https://github.com/tpm2-software/tpm2-tss/releases/tag/3.0.1
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7KPOENCMJU4DMT3BDNUBRK25B3DJ47UO/
https://security.gentoo.org/glsa/202107-10
https://bugzilla.redhat.com/show_bug.cgi?id=1902167
https://github.com/tpm2-software/tpm2-tss/releases/tag/2.4.3
https://github.com/tpm2-software/tpm2-tss/releases/tag/3.0.1
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7KPOENCMJU4DMT3BDNUBRK25B3DJ47UO/
https://security.gentoo.org/glsa/202107-10