Apache HTTP Server up to 2.1.7 mod_reqtimeout resource management

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.08

A vulnerability, which was classified as problematic, has been found in Apache HTTP Server up to 2.1.7 (Web Server). This issue affects an unknown part of the component mod_reqtimeout. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

The Apache HTTP Server 1.x and 2.x allows remote attackers to cause a denial of service (daemon outage) via partial HTTP requests, as demonstrated by Slowloris, related to the lack of the mod_reqtimeout module in versions before 2.2.15.

The weakness was published 12/27/2011 by Michal Zalewski (Website). The advisory is shared at archives.neohapsis.com. The identification of this vulnerability is CVE-2007-6750 since 12/27/2011. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 70085 (GLSA-201309-12 : Apache HTTP Server: Multiple vulnerabilities), 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 371300 (F5 BIG-IP ASM, LTM and APM Slowloris Attack Denial Of Service Vulnerability (K12636)).

Upgrading to version 2.1.8 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (72345) and Tenable (70085). Similar entries are available at 87387 and 98903.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

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

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 70085
Nessus Name: GLSA-201309-12 : Apache HTTP Server: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 100514
OpenVAS Name: Apache Multiple Security Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: HTTP Server 2.1.8
McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfo

01/03/2007 🔍
01/05/2007 +2 days 🔍
12/27/2011 +1817 days 🔍
12/27/2011 +0 days 🔍
12/27/2011 +0 days 🔍
11/12/2012 +321 days 🔍
09/24/2013 +316 days 🔍
03/23/2015 +545 days 🔍
11/28/2021 +2442 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: archives.neohapsis.com
Researcher: Michal Zalewski
Status: Not defined
Confirmation: 🔍

CVE: CVE-2007-6750 (🔍)
OVAL: 🔍

X-Force: 72345
SecurityTracker: 1038144
Vulnerability Center: 37162 - Apache HTTP Server 1.* and 2.* Remote Denial of Service via Partial HTTP Requests, Medium
SecurityFocus: 21865 - Apache And Microsoft IIS Range Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/28/2021 14:45
Changes: 03/23/2015 16:50 (72), 04/20/2017 22:18 (6), 11/28/2021 14:41 (3), 11/28/2021 14:45 (1)
Complete: 🔍

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