Check_MK up to 1.2.5i2p1 job link following

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.6$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in Check_MK up to 1.2.5i2p1. Affected by this issue is some unknown functionality in the library /var/lib/check_mk_agent/job. The manipulation with an unknown input leads to a link following vulnerability. Using CWE to declare the problem leads to CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. Impacted is confidentiality. CVE summarizes:

Check_MK through 1.2.5i2p1 allows local users to read arbitrary files via a symlink attack to a file in /var/lib/check_mk_agent/job.

The bug was discovered 05/27/2014. The weakness was published 07/19/2018 by Markus Vervier with LSE Leading Security Experts as not defined posting (Bugtraq). The advisory is available at securityfocus.com. This vulnerability is handled as CVE-2014-0243 since 12/03/2013. Local access is required to approach this attack. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 74389 (Fedora 19 : check-mk-1.2.4p2-2.fc19 (2014-6818)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 122174 (Fedora Security Update for check-mk (FEDORA-2014-6810)).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (74389).

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.6

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 74389
Nessus Name: Fedora 19 : check-mk-1.2.4p2-2.fc19 (2014-6818)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for check-mk FEDORA-2014-6818
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: 0426323df1641596c4f01ef5a716a3b65276f01c

Timelineinfo

12/03/2013 🔍
05/27/2014 +175 days 🔍
05/28/2014 +1 days 🔍
05/28/2014 +0 days 🔍
06/10/2014 +13 days 🔍
07/19/2018 +1499 days 🔍
07/19/2018 +0 days 🔍
07/20/2018 +1 days 🔍
04/18/2023 +1733 days 🔍

Sourcesinfo

Advisory: 126857⛔
Researcher: Markus Vervier
Organization: LSE Leading Security Experts
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-0243 (🔍)
SecurityFocus: 67674 - Check_MK File Processing Arbitrary File Disclosure Vulnerability

Entryinfo

Created: 07/20/2018 08:46
Updated: 04/18/2023 16:54
Changes: 07/20/2018 08:46 (79), 03/08/2020 17:10 (1), 04/18/2023 16:54 (6)
Complete: 🔍

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