Apache HTTP Server up to 2.0.46 Prefork MPM denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Apache HTTP Server up to 2.0.46. This affects an unknown function of the component Prefork MPM. The manipulation results in denial of service. This vulnerability is reported as CVE-2003-0253. The attack requires a local approach. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Apache HTTP Server up to 2.0.46 (Web Server). Affected is an unknown functionality of the component Prefork MPM. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

The prefork MPM in Apache 2 before 2.0.47 does not properly handle certain errors from accept, which could lead to a denial of service.

The weakness was disclosed 07/09/2003 by Saheed Akhtar (Website). The advisory is available at apache.org. This vulnerability is traded as CVE-2003-0253 since 05/06/2003. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 14058 (Mandrake Linux Security Advisory : apache2 (MDKSA-2003:075-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 86562 (Miscellaneous Apache Vulnerabilities (2.0.46 and earlier)).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at httpd.apache.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (12551), Tenable (14058), SecurityFocus (BID 8137†) and Vulnerability Center (SBV-1923†). The entries VDB-161 and VDB-163 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Support

  • end of life (old version)

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.2
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 14058
Nessus Name: Mandrake Linux Security Advisory : apache2 (MDKSA-2003:075-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: httpd.apache.org

Timelineinfo

05/06/2003 🔍
07/08/2003 +62 days 🔍
07/09/2003 +1 days 🔍
07/09/2003 +0 days 🔍
08/18/2003 +40 days 🔍
08/18/2003 +0 days 🔍
09/04/2003 +17 days 🔍
08/23/2025 +8024 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: apache.org
Researcher: Saheed Akhtar
Status: Confirmed

CVE: CVE-2003-0253 (🔍)
GCVE (CVE): GCVE-0-2003-0253
GCVE (VulDB): GCVE-100-162

OVAL: 🔍

X-Force: 12551
SecurityFocus: 8137
Vulnerability Center: 1923 - DoS in Apache 2.0-2.0.46 via Wrong Handling of Errors from Accept Function, High

See also: 🔍

Entryinfo

Created: 07/09/2003 02:00
Updated: 08/23/2025 21:28
Changes: 07/09/2003 02:00 (66), 04/16/2019 15:10 (7), 10/09/2020 10:52 (1), 10/09/2020 10:53 (1), 03/08/2021 13:52 (3), 03/08/2021 13:57 (1), 08/23/2025 21:28 (18)
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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