Apache HTTP Server up to 2.0.51-dev mod_dav denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

A vulnerability has been found in Apache HTTP Server up to 2.0.51-dev (Web Server) and classified as critical. Affected by this vulnerability is an unknown functionality of the component mod_dav. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was released 09/14/2004 by Georgi Guninski with Apache Team (Website). The advisory is shared at apache.org. This vulnerability is known as CVE-2004-0493 since 05/27/2004. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 14536 (GLSA-200407-03 : Apache 2: Remote denial of service attack), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 86643 (Apache 2.0.49 And Earlier Miscellaneous Vulnerabilities).

Upgrading to version 2.0.51-dev 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. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 2905.

The vulnerability is also documented in the databases at X-Force (16524) and Tenable (14536). Entries connected to this vulnerability are available at 31, 81, 80 and 557.

Productinfo

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License

Support

  • end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 14536
Nessus Name: GLSA-200407-03 : Apache 2: Remote denial of service attack
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 12293
OpenVAS Name: Apache Input Header Folding and mod_ssl ssl_io_filter_cleanup DoS Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

ATK: 227

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: HTTP Server 2.0.51-dev
Patch: httpd.apache.org
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍

Timelineinfo

05/27/2004 🔍
06/28/2004 +32 days 🔍
06/28/2004 +0 days 🔍
07/25/2004 +27 days 🔍
08/06/2004 +12 days 🔍
08/30/2004 +24 days 🔍
09/14/2004 +15 days 🔍
09/14/2004 +0 days 🔍
09/14/2004 +0 days 🔍
09/15/2004 +0 days 🔍
03/09/2021 +6019 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: apache.org
Researcher: Georgi Guninski
Organization: Apache Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2004-0493 (🔍)
OVAL: 🔍

X-Force: 16524 - Apache HTTP Server ap_get_mime_headers_core denial of service, Medium Risk
SecurityTracker: 1011248 - Apache mod_dav LOCK Method Error May Let Remote Users Deny Service
Vulnerability Center: 4815 - Apache 2.x - 2.0.49 Allows DoS via ap_get_mime_headers_core Function, High
SecurityFocus: 10619 - Apache ap_escape_html Memory Allocation Denial Of Service Vulnerability
Secunia: 12527 - Apache "mod_dav" LOCK Request Denial of Service Vulnerability, Less Critical
OSVDB: 9948 - mod_dav for Apache HTTP Server LOCK Request DoS

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 09/15/2004 14:16
Updated: 03/09/2021 19:10
Changes: 09/15/2004 14:16 (99), 04/16/2019 15:10 (11), 03/09/2021 19:06 (2), 03/09/2021 19:10 (1)
Complete: 🔍

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