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CVE-2022-1053

Published: May 6, 2022Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-20
NVD MITRE
9.1CVSSCRITICAL
EPSS Score
1.3%
Top 33.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Keylime does not enforce that the agent registrar data is the same when the tenant uses it for validation of the EK and identity quote and the verifier for validating the integrity quote. This allows an attacker to use one AK, EK pair from a real TPM to pass EK validation and give the verifier an AK of a software TPM. A successful attack breaks the entire chain of trust because a not validated AK is used by the verifier. This issue is worse if the validation happens first and then the agent gets added to the verifier because the timing is easier and the verifier does not validate the regcount entry being equal to 1,

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-20

Affected Products

keylimekeylime
On-prem
Security Products / pki-crypto
fedorafedoraproject
On-premOS
Operating Systems / linux-distro
keylimePyPIOSS Libraries
keylimen/a
keylimeoss-projectSecurity Productsaka keylime
fedoraprojectoss-projectUSOperating Systemsaka fedora project
pypipackage-ecosystemOSS Libraries

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
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References

https://bugzilla.redhat.com/show_bug.cgi?id=2065024%2C
bugzilla.redhat.com
https://github.com/keylime/keylime/commit/bd5de712acdd77860e7dc58969181e16c7a8dc5d
github.com
https://github.com/keylime/keylime/security/advisories/GHSA-jf66-3q76-h5p5%2C
github.com
and 12 more references View all →

Timeline

Published
May 6, 2022
Last Updated
Nov 21, 2024

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