Apache mod_jk up to 1.2.49 on Unix JkShmFile Directive default permission

Summaryinfo

A vulnerability was found in Apache mod_jk on Unix. It has been classified as critical. Impacted is an unknown function of the component JkShmFile Directive Handler. Performing a manipulation results in default permission. This vulnerability was named CVE-2024-46544. The attack needs to be approached locally. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apache mod_jk on Unix. This affects an unknown code block of the component JkShmFile Directive Handler. The manipulation with an unknown input leads to a default permission vulnerability. CWE is classifying the issue as CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Incorrect Default Permissions vulnerability in Apache Tomcat Connectors allows local users to view and modify shared memory containing mod_jk configuration which may lead to information disclosure and/or denial of service. This issue affects Apache Tomcat Connectors: from 1.2.9-beta through 1.2.49. Only mod_jk on Unix like systems is affected. Neither the ISAPI redirector nor mod_jk on Windows is affected. Users are recommended to upgrade to version 1.2.50, which fixes the issue.

It is possible to read the advisory at lists.apache.org. This vulnerability is uniquely identified as CVE-2024-46544 since 09/11/2024. The exploitability is told to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1222 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 207702 (RHEL 7 / 8 : Red Hat JBoss Core Services Apache HTTP Server 2.4.57 SP6 (RHSA-2024:6927)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.2.50 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (207702). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Application Server Software

Vendor

• Apache

Name

• mod_jk

Version

• 1.2.9
• 1.2.10
• 1.2.11
• 1.2.12
• 1.2.13
• 1.2.14
• 1.2.15
• 1.2.16
• 1.2.17
• 1.2.18
• 1.2.19
• 1.2.20
• 1.2.21
• 1.2.22
• 1.2.23
• 1.2.24
• 1.2.25
• 1.2.26
• 1.2.27
• 1.2.28
• 1.2.29
• 1.2.30
• 1.2.31
• 1.2.32
• 1.2.33
• 1.2.34
• 1.2.35
• 1.2.36
• 1.2.37
• 1.2.38
• 1.2.39
• 1.2.40
• 1.2.41
• 1.2.42
• 1.2.43
• 1.2.44
• 1.2.45
• 1.2.46
• 1.2.47
• 1.2.48
• 1.2.49

License

• open-source

Website

• Vendor: https://www.apache.org/

CPE 2.3info

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CPE 2.2info

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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