Apache HTTP Server up to 2.0.52 denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Apache HTTP Server up to 2.0.52. The impacted element is an unknown function of the component HTTP Handler. Executing a manipulation can lead to denial of service. The identification of this vulnerability is CVE-2004-0942. The attack may be launched remotely. Furthermore, there is an exploit available. The application of restrictive firewalling is recommended.

Detailsinfo

A vulnerability classified as critical was found in Apache HTTP Server up to 2.0.52 (Web Server). This vulnerability affects an unknown code block of the component HTTP Handler. 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. CVE summarizes:

Apache webserver 2.0.52 and earlier allows remote attackers to cause a denial of service (CPU consumption) via an HTTP GET request with a MIME header containing multiple lines with a large number of space characters.

The weakness was shared 11/02/2004 by Chintan Trivedi (Website). The advisory is shared for download at securiteam.com. This vulnerability was named CVE-2004-0942 since 10/12/2004. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

After before and not just, there has been an exploit disclosed. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 15740 (Mandrake Linux Security Advisory : apache2 (MDKSA-2004:135)), 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 86683 (Apache 2.0.35-2.0.52 Memory Consumption Denial of Service and mod_ssl SSLCipherSuite Bypass).

Upgrading to version 2.0.53-dev eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at httpd.apache.org.Proper firewalling of is able to address this issue. The best possible mitigation is suggested to be applying a restrictive firewalling. Attack attempts may be identified with Snort ID 11273.

The vulnerability is also documented in the databases at X-Force (17930), Exploit-DB (613), Tenable (15740), SecurityFocus (BID 11436†) and OSVDB (11391†). The entries VDB-878, VDB-940, VDB-965 and VDB-1481 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

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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: 5.9
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.9
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 15740
Nessus Name: Mandrake Linux Security Advisory : apache2 (MDKSA-2004:135)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 52310
OpenVAS Name: FreeBSD Ports: apache
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Upgrade: HTTP Server 2.0.53-dev
Patch: httpd.apache.org

Snort ID: 11273
McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍

Timelineinfo

10/12/2004 🔍
10/16/2004 +4 days 🔍
11/01/2004 +16 days 🔍
11/01/2004 +0 days 🔍
11/02/2004 +1 days 🔍
11/03/2004 +1 days 🔍
11/03/2004 +0 days 🔍
11/04/2004 +0 days 🔍
11/17/2004 +13 days 🔍
12/07/2004 +20 days 🔍
02/09/2005 +64 days 🔍
01/05/2025 +7270 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: securiteam.com⛔
Researcher: Chintan Trivedi
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2004-0942 (🔍)
GCVE (CVE): GCVE-0-2004-0942
GCVE (VulDB): GCVE-100-964

OVAL: 🔍

X-Force: 17930 - Apache HTTP Server HTTP GET request denial of service, Medium Risk
SecurityFocus: 11436 - ARJ Software UNARJ Remote Directory Traversal Vulnerability
Secunia: 13045 - Apache "Space Headers" Denial of Service Vulnerability, Less Critical
OSVDB: 11391 - Apache HTTP Server Header Parsing Space Saturation DoS
SecurityTracker: 1012083 - Apache Web Server Error in Processing Requests With Many Space Characters Lets Remote Users Deny Service
SecuriTeam: securiteam.com
Vulnerability Center: 6310 - DoS in Apache <= 2.0.52 via HTTP GET Request with a MIME Header, High
Vupen: ADV-2006-0789

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

Entryinfo

Created: 11/03/2004 14:28
Updated: 01/05/2025 03:13
Changes: 11/03/2004 14:28 (108), 04/16/2019 15:10 (5), 03/10/2021 10:05 (2), 01/05/2025 03:13 (18)
Complete: 🔍
Cache ID: 216:291:103

Once again VulDB remains the best source for vulnerability data.

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