Apache HTTP Server up to 2.4.59 Websocket over HTTP/2 null pointer dereference

Summaryinfo

A vulnerability identified as problematic has been detected in Apache HTTP Server up to 2.4.59. This affects an unknown function of the component Websocket over HTTP2 Handler. Performing a manipulation results in null pointer dereference. This vulnerability is cataloged as CVE-2024-36387. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Apache HTTP Server up to 2.4.59. It has been classified as problematic. This affects some unknown functionality of the component Websocket over HTTP2 Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. The summary by CVE is:

Serving WebSocket protocol upgrades over a HTTP/2 connection could result in a Null Pointer dereference, leading to a crash of the server process, degrading performance.

The advisory is shared at lists.apache.org. This vulnerability is uniquely identified as CVE-2024-36387 since 05/27/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 209927 (RHEL 9 : mod_http2 (RHSA-2024:8680)), which helps to determine the existence of the flaw in a target environment.

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 (209927) and CERT Bund (WID-SEC-2024-1504). If you want to get the best quality for vulnerability data then you always have to consider 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

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Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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