Apache HTTP Server up to 2.4.59 mod_rewrite access control

Summaryinfo

A vulnerability classified as critical was found in Apache HTTP Server up to 2.4.59. This affects an unknown part of the component mod_rewrite. Such manipulation leads to access control. This vulnerability is traded as CVE-2024-38475. The attack may be launched remotely. Furthermore, there is an exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apache HTTP Server up to 2.4.59. Affected by this issue is an unknown function of the component mod_rewrite. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Improper escaping of output in mod_rewrite in Apache HTTP Server 2.4.59 and earlier allows an attacker to map URLs to filesystem locations that are permitted to be served by the server but are not intentionally/directly reachable by any URL, resulting in code execution or source code disclosure. Substitutions in server context that use a backreferences or variables as the first segment of the substitution are affected.  Some unsafe RewiteRules will be broken by this change and the rewrite flag "UnsafePrefixStat" can be used to opt back in once ensuring the substitution is appropriately constrained.

The advisory is available at lists.apache.org. This vulnerability is handled as CVE-2024-38475 since 06/17/2024. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The exploit is available at packetstormsecurity.com. It is declared as attacked. The vulnerability scanner Nessus provides a plugin with the ID 209779 (EulerOS Virtualization 2.12.0 : httpd (EulerOS-SA-2024-2769)), which helps to determine the existence of the flaw in a target environment. This issue was added on 05/01/2025 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 05/22/2025:

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Upgrading to version 2.4.60 eliminates this vulnerability. The upgrade is hosted for download at httpd.apache.org.

The vulnerability is also documented in the databases at Tenable (209779) and CERT Bund (WID-SEC-2024-1504). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

• Debian Linux
• IBM Tivoli Monitoring
• Amazon Linux 2
• Red Hat Enterprise Linux
• Fedora Linux
• Ubuntu Linux
• F5 BIG-IP
• SUSE Linux
• IBM HTTP Server
• Oracle Linux
• Xerox FreeFlow Print Server
• Gentoo Linux
• Hitachi Ops Center
• IBM Business Automation Workflow
• Hitachi Configuration Manager
• RESF Rocky Linux
• IBM Rational ClearQuest
• Dell PowerScale OneFS
• Apache HTTP Server
• Dell NetWorker
• IBM Rational Build Forge
• HCL Commerce
• SonicWall SMA
• Dell ECS
• HPE HP-UX
• Red Hat JBoss Core Services
• Dell PowerProtect Data Domain

Productinfo

Type

• Web Server

Vendor

• Apache

Name

• HTTP Server

Version

• 2.4.0
• 2.4.1
• 2.4.2
• 2.4.3
• 2.4.4
• 2.4.5
• 2.4.6
• 2.4.7
• 2.4.8
• 2.4.9
• 2.4.10
• 2.4.11
• 2.4.12
• 2.4.13
• 2.4.14
• 2.4.15
• 2.4.16
• 2.4.17
• 2.4.18
• 2.4.19
• 2.4.20
• 2.4.21
• 2.4.22
• 2.4.23
• 2.4.24
• 2.4.25
• 2.4.26
• 2.4.27
• 2.4.28
• 2.4.29
• 2.4.30
• 2.4.31
• 2.4.32
• 2.4.33
• 2.4.34
• 2.4.35
• 2.4.36
• 2.4.37
• 2.4.38
• 2.4.39
• 2.4.40
• 2.4.41
• 2.4.42
• 2.4.43
• 2.4.44
• 2.4.45
• 2.4.46
• 2.4.47
• 2.4.48
• 2.4.49
• 2.4.50
• 2.4.51
• 2.4.52
• 2.4.53
• 2.4.54
• 2.4.55
• 2.4.56
• 2.4.57
• 2.4.58
• 2.4.59

License

• open-source

Website

• Vendor: https://www.apache.org/

CPE 2.3info

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CPE 2.2info

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CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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