Keylime Challenge-Response

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Keylime. This affects an unknown part of the component Challenge-Response Handler. Such manipulation leads to an unknown weakness. This vulnerability is traded as CVE-2023-38201. Access to the local network is required for this attack to succeed. There is no exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Keylime (affected version unknown) and classified as problematic. Affected by this issue is an unknown functionality of the component Challenge-Response Handler. Impacted is integrity. CVE summarizes:

A flaw was found in the Keylime registrar that could allow a bypass of the challenge-response protocol during agent registration. This issue may allow an attacker to impersonate an agent and hide the true status of a monitored machine if the fake agent is added to the verifier list by a legitimate user, resulting in a breach of the integrity of the registrar database.

The weakness was shared 08/26/2023 as GHSA-f4r5-q63f-gcww. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2023-38201 since 07/13/2023. There are neither technical details nor an exploit publicly available.

Applying the patch 9e5ac9f25cd400b16d5969f531cee28290543f2a is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-0106). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Unknown
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 9e5ac9f25cd400b16d5969f531cee28290543f2a

Timelineinfo

07/13/2023 🔍
08/25/2023 +43 days 🔍
08/26/2023 +0 days 🔍
08/31/2025 +736 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-f4r5-q63f-gcww
Status: Confirmed

CVE: CVE-2023-38201 (🔍)
GCVE (CVE): GCVE-0-2023-38201
GCVE (VulDB): GCVE-100-238064
EUVD: 🔍

Entryinfo

Created: 08/26/2023 01:26
Updated: 08/31/2025 09:47
Changes: 08/26/2023 01:26 (48), 09/16/2024 17:30 (26), 08/31/2025 09:47 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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