Apache HTTP Server up to 2.4.57 mod_macro buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Apache HTTP Server up to 2.4.57. It has been declared as critical. Impacted is an unknown function of the component mod_macro. Executing a manipulation can lead to buffer overflow. This vulnerability is tracked as CVE-2023-31122. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apache HTTP Server up to 2.4.57 (Web Server). It has been declared as critical. This vulnerability affects some unknown processing of the component mod_macro. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 10/19/2023. The advisory is available at lists.apache.org. This vulnerability was named CVE-2023-31122 since 04/24/2023. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 01/04/2026).

The vulnerability scanner Nessus provides a plugin with the ID 211533 (Oracle Linux 9 : httpd (ELSA-2024-9306)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.4.58 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (211533) and CERT Bund (WID-SEC-2023-2712). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat JBoss Core Services
  • Red Hat Enterprise Linux
  • Fedora Linux
  • Ubuntu Linux
  • SUSE Linux
  • IBM Rational ClearCase
  • Oracle Linux
  • IBM Rational ClearQuest
  • IBM Power Hardware Management Console
  • Dell NetWorker
  • Apache HTTP Server
  • IBM HTTP Server
  • Xerox FreeFlow Print Server
  • Open Source Varnish HTTP Cache
  • IBM QRadar SIEM

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: Buffer overflow
CWE: CWE-120 / CWE-119
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: 211533
Nessus Name: Oracle Linux 9 : httpd (ELSA-2024-9306)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: HTTP Server 2.4.58

Timelineinfo

04/24/2023 🔍
10/19/2023 +178 days 🔍
10/19/2023 +0 days 🔍
01/04/2026 +808 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: FEDORA-2023-3d1bf0ee44
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-31122 (🔍)
GCVE (CVE): GCVE-0-2023-31122
GCVE (VulDB): GCVE-100-242962
CERT Bund: WID-SEC-2023-2712 - Apache HTTP Server: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 10/19/2023 19:47
Updated: 01/04/2026 02:16
Changes: 10/19/2023 19:47 (41), 11/11/2023 14:36 (2), 11/11/2023 14:37 (11), 06/11/2024 00:41 (15), 11/20/2024 04:09 (3), 01/04/2026 02:16 (7)
Complete: 🔍
Cache ID: 216::103

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

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