nginx up to 1.0.13/1.1.16 HTTP Header Response Parser ngx_http_parse.c resource management

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in nginx up to 1.0.13/1.1.16. This vulnerability affects unknown code of the file ngx_http_parse.c of the component HTTP Header Response Parser. This manipulation causes resource management. This vulnerability appears as CVE-2012-1180. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in nginx up to 1.0.13/1.1.16 (Web Server). Affected by this vulnerability is some unknown processing of the file ngx_http_parse.c of the component HTTP Header Response Parser. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect confidentiality. The summary by CVE is:

Use-after-free vulnerability in nginx before 1.0.14 and 1.1.x before 1.1.17 allows remote HTTP servers to obtain sensitive information from process memory via a crafted backend response, in conjunction with a client request.

The weakness was presented 03/15/2012 by Maxim Dounin as confirmed changelog entry (Website). It is possible to read the advisory at trac.nginx.org. This vulnerability is known as CVE-2012-1180 since 02/14/2012. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 69670 (Amazon Linux AMI : nginx (ALAS-2012-63)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13269 (Nginx Memory Disclosure Vulnerability).

Upgrading to version 1.0.14 eliminates this vulnerability. The upgrade is hosted for download at trac.nginx.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (74191), Tenable (69670), SecurityFocus (BID 52578†), OSVDB (80124†) and Secunia (SA48366†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / 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: 69670
Nessus Name: Amazon Linux AMI : nginx (ALAS-2012-63)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 71239
OpenVAS Name: Debian Security Advisory DSA 2434-1 (nginx)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Reliability: 🔍

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

Upgrade: nginx 1.0.14

Timelineinfo

02/14/2012 🔍
03/15/2012 +30 days 🔍
03/15/2012 +0 days 🔍
03/15/2012 +0 days 🔍
03/15/2012 +0 days 🔍
03/19/2012 +4 days 🔍
03/20/2012 +1 days 🔍
04/17/2012 +28 days 🔍
04/17/2012 +0 days 🔍
05/02/2012 +15 days 🔍
09/04/2013 +490 days 🔍
03/22/2021 +2756 days 🔍

Sourcesinfo

Advisory: 4530
Researcher: Maxim Dounin
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-1180 (🔍)
GCVE (CVE): GCVE-0-2012-1180
GCVE (VulDB): GCVE-100-4843

OVAL: 🔍

X-Force: 74191
SecurityFocus: 52578 - nginx 'ngx_cpystrn()' Information Disclosure Vulnerability
Secunia: 48366 - nginx HTTP Header Parsing Memory Disclosure Weakness, Not Critical
OSVDB: 80124
SecurityTracker: 1026827 - nginx HTTP Response Processing Lets Remote Users Obtain Portions of Memory Contents
Vulnerability Center: 34980 - Igor Sysoev NGINX Before 1.0.14 and 1.1.x Before 1.1.17 Use-After-Free Vulnerability, Medium

Entryinfo

Created: 03/19/2012 09:44
Updated: 03/22/2021 07:54
Changes: 03/19/2012 09:44 (76), 04/11/2017 11:10 (14), 03/22/2021 07:47 (3), 03/22/2021 07:54 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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