Apache HTTP Server 2.0 worker.c memory leak

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Apache HTTP Server 2.0. This affects an unknown function of the file worker.c. Executing a manipulation can lead to memory leak. This vulnerability is registered as CVE-2005-2970. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Apache HTTP Server 2.0 (Web Server). This vulnerability affects an unknown functionality of the file worker.c. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability. CVE summarizes:

Memory leak in the worker MPM (worker.c) for Apache 2, in certain circumstances, allows remote attackers to cause a denial of service (memory consumption) via aborted connections, which prevents the memory for the transaction pool from being reused for other connections.

The bug was discovered 10/24/2005. The weakness was published 10/25/2005 by Filip Sneppe (Website). The advisory is available at mail-archives.apache.org. This vulnerability was named CVE-2005-2970 since 09/19/2005. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

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 20464 (Mandrake Linux Security Advisory : apache2 (MDKSA-2005:233)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117762 (CentOS Security Update for httpd (CESA-2006:0159)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (22858), Tenable (20464), SecurityFocus (BID 15762†), OSVDB (20462†) and Secunia (SA16559†). Similar entry is available at VDB-9605. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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: 5.3
VulDB Meta Temp Score: 5.1

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

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
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: 20464
Nessus Name: Mandrake Linux Security Advisory : apache2 (MDKSA-2005:233)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 65209
OpenVAS Name: SLES9: Security update for apache2-worker
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

08/25/2005 🔍
09/19/2005 +25 days 🔍
10/24/2005 +35 days 🔍
10/24/2005 +0 days 🔍
10/24/2005 +0 days 🔍
10/25/2005 +1 days 🔍
10/25/2005 +0 days 🔍
11/20/2005 +26 days 🔍
12/07/2005 +17 days 🔍
12/19/2005 +12 days 🔍
01/15/2006 +27 days 🔍
03/11/2015 +3342 days 🔍
06/11/2019 +1553 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: mail-archives.apache.org
Researcher: Filip Sneppe
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-2970 (🔍)
GCVE (CVE): GCVE-0-2005-2970
GCVE (VulDB): GCVE-100-26650

OVAL: 🔍

X-Force: 22858
SecurityFocus: 15762 - Apache MPM Worker.C Denial Of Service Vulnerability
Secunia: 16559 - Apache Byte-Range Filter and MPM Worker Denial of Service Vulnerabilities, Moderately Critical
OSVDB: 20462 - 2005-1970 - Apache - HTTP Server - Denial of Service Issue
SecurityTracker: 1015093
Vulnerability Center: 9649 - DoS in Apache HTTP Server via MPM Worker Memory Leak, High

See also: 🔍

Entryinfo

Created: 03/11/2015 23:39
Updated: 06/11/2019 14:12
Changes: 03/11/2015 23:39 (79), 06/11/2019 14:12 (13)
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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