nginx up to 0.8.10 memory corruption

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.0	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in nginx up to 0.8.10. The affected element is an unknown function. The manipulation leads to memory corruption. This vulnerability is listed as CVE-2009-3896. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in nginx up to 0.8.10 (Web Server). It has been rated as problematic. This issue affects some unknown processing. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is availability. The summary by CVE is:

src/http/ngx_http_parse.c in nginx (aka Engine X) 0.1.0 through 0.4.14, 0.5.x before 0.5.38, 0.6.x before 0.6.39, 0.7.x before 0.7.62, and 0.8.x before 0.8.14 allows remote attackers to cause a denial of service (NULL pointer dereference and worker process crash) via a long URI.

The weakness was presented 11/24/2009 as Bug 539565 as not defined bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. The identification of this vulnerability is CVE-2009-3896 since 11/05/2009. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed in Perl. The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 43032 (Fedora 12 : nginx-0.7.64-1.fc12 (2009-12750)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (54025), Tenable (43032), SecurityFocus (BID 36839†), Secunia (SA48577†) and Vulnerability Center (SBV-27427†). See VDB-50905 for similar entry. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Web Server

Name

nginx

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 43032
Nessus Name: Fedora 12 : nginx-0.7.64-1.fc12 (2009-12750)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 66449
OpenVAS Name: Fedora Core 12 FEDORA-2009-12750 (nginx)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/27/2009 🔍
11/05/2009 +9 days 🔍
11/24/2009 +19 days 🔍
11/24/2009 +0 days 🔍
11/24/2009 +0 days 🔍
10/05/2010 +315 days 🔍
03/28/2012 +540 days 🔍
03/18/2015 +1085 days 🔍
08/28/2021 +2355 days 🔍

Sourcesinfo

Advisory: Bug 539565
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-3896 (🔍)
GCVE (CVE): GCVE-0-2009-3896
GCVE (VulDB): GCVE-100-50903
X-Force: 54025
SecurityFocus: 36839 - nginx 'ngx_http_process_request_headers()' Remote Buffer Overflow Vulnerability
Secunia: 48577 - Gentoo update for nginx, Moderately Critical
Vulnerability Center: 27427 - src/http/ngx_http_parse.c in Nginx Remote DoS or Arbitrary Code Execution Vulnerability, High

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

Entryinfo

Created: 03/18/2015 15:15
Updated: 08/28/2021 03:58
Changes: 03/18/2015 15:15 (61), 03/07/2017 08:15 (15), 08/28/2021 03:58 (3)
Complete: 🔍
Cache ID: 216::103