Apache HTTP Server up to 2.4.59 mod_proxy denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Apache HTTP Server up to 2.4.59. Affected is an unknown function of the component mod_proxy. The manipulation leads to denial of service. This vulnerability is documented as CVE-2024-38477. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apache HTTP Server up to 2.4.59. It has been rated as problematic. This issue affects an unknown code of the component mod_proxy. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

null pointer dereference in mod_proxy in Apache HTTP Server 2.4.59 and earlier allows an attacker to crash the server via a malicious request. Users are recommended to upgrade to version 2.4.60, which fixes this issue.

It is possible to read the advisory at lists.apache.org. The identification of this vulnerability is CVE-2024-38477 since 06/17/2024. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

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.

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

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

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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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Nessus ID: 209779
Nessus Name: EulerOS Virtualization 2.12.0 : httpd (EulerOS-SA-2024-2769)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: HTTP Server 2.4.60

Timelineinfo

06/17/2024 🔍
07/01/2024 +14 days 🔍
07/01/2024 +0 days 🔍
01/04/2026 +551 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: lists.apache.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2024-38477 (🔍)
GCVE (CVE): GCVE-0-2024-38477
GCVE (VulDB): GCVE-100-270071
CERT Bund: WID-SEC-2024-1504 - Apache HTTP Server: Mehrere Schwachstellen

Entryinfo

Created: 07/01/2024 16:30
Updated: 01/04/2026 00:49
Changes: 07/01/2024 16:30 (56), 07/02/2024 09:09 (1), 07/12/2024 17:38 (1), 08/21/2024 17:36 (12), 10/29/2024 12:58 (2), 07/21/2025 16:24 (7), 01/04/2026 00:49 (1)
Complete: 🔍
Cache ID: 216::103

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

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