Exchange Plugin up to 5.8.0 on Checkmk deserialization

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Exchange Plugin up to 5.8.0 on Checkmk. It has been classified as problematic. This issue affects some unknown processing. The manipulation leads to deserialization. This vulnerability is uniquely identified as CVE-2024-47092. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Exchange Plugin up to 5.8.0 on Checkmk and classified as problematic. This issue affects an unknown code block. The manipulation with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Insecure deserialization and improper certificate validation in Checkmk Exchange plugin check-mk-api prior to 5.8.1

The weakness was disclosed by Felix Eberstaller. It is possible to read the advisory at exchange.checkmk.com. The identification of this vulnerability is CVE-2024-47092 since 09/18/2024. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 5.8.1 eliminates this vulnerability. Applying the patch b5a2a7529e3367d7a643e66f05da4f2a27013904 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Exchange Plugin 5.8.1
Patch: b5a2a7529e3367d7a643e66f05da4f2a27013904

Timelineinfo

09/18/2024 🔍
03/03/2025 +166 days 🔍
03/03/2025 +0 days 🔍
09/03/2025 +183 days 🔍

Sourcesinfo

Advisory: exchange.checkmk.com
Researcher: Felix Eberstaller
Status: Confirmed

CVE: CVE-2024-47092 (🔍)
GCVE (CVE): GCVE-0-2024-47092
GCVE (VulDB): GCVE-100-298247

Entryinfo

Created: 03/03/2025 16:03
Updated: 09/03/2025 00:26
Changes: 03/03/2025 16:03 (33), 03/03/2025 16:04 (2), 03/03/2025 16:06 (33), 08/28/2025 15:45 (2), 09/03/2025 00:26 (12)
Complete: 🔍
Committer: mitr
Cache ID: 216::103

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