Oracle HTTP Server Web Listener numeric error

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Oracle HTTP Server. The affected element is an unknown function of the component Web Listener. Such manipulation leads to numeric error. This vulnerability is referenced as CVE-2009-1956. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Oracle HTTP Server (Web Server) (unknown version). Affected by this issue is an unknown code block of the component Web Listener. The manipulation with an unknown input leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is confidentiality, and availability. CVE summarizes:

Off-by-one error in the apr_brigade_vprintf function in Apache APR-util before 1.3.5 on big-endian platforms allows remote attackers to obtain sensitive information or cause a denial of service (application crash) via crafted input.

The bug was discovered 06/04/2009. The weakness was published 04/16/2013 as Oracle Critical Patch Update Advisory - April 2013 as not defined advisory (Website). The advisory is shared for download at oracle.com. This vulnerability is handled as CVE-2009-1956 since 06/06/2009. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 900572 , which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 118824 (HP-UX Apache-based Web Server Remote Denial of Service Vulnerability (HPSBUX02612)).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (50993), Tenable (900572), SecurityFocus (BID 35251†), OSVDB (55058†) and Secunia (SA34724†). zdnet.com is providing further details. Similar entries are available at VDB-2393, VDB-2615, VDB-3489 and VDB-8322. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.5
VulDB Temp Score: 5.9
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: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 900572
Nessus File: 🔍

OpenVAS ID: 64571
OpenVAS Name: Slackware Advisory SSA:2009-214-01 httpd
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Timelineinfo

06/04/2009 🔍
06/04/2009 +0 days 🔍
06/04/2009 +0 days 🔍
06/06/2009 +2 days 🔍
06/07/2009 +1 days 🔍
06/11/2009 +4 days 🔍
04/16/2013 +1405 days 🔍
04/16/2013 +0 days 🔍
04/17/2013 +1 days 🔍
09/06/2019 +2333 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - April 2013
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-1956 (🔍)
GCVE (CVE): GCVE-0-2009-1956
GCVE (VulDB): GCVE-100-8300

OVAL: 🔍
IAVM: 🔍

X-Force: 50993
SecurityFocus: 35251 - Apache APR-util 'apr_brigade_vprintf' Off By One Vulnerability
Secunia: 34724 - Red Hat update for apr-util, Less Critical
OSVDB: 55058 - CVE-2009-1956 - Apache - APR-util - Buffer Overflow Issue
Vulnerability Center: 22507 - [cpuapr2013-1899555] Apache APR-util < 1.3.5 Remote DoS and Sensitive Information Disclosure, High
Vupen: ADV-2009-1907

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 04/17/2013 11:51
Updated: 09/06/2019 07:41
Changes: 04/17/2013 11:51 (83), 09/06/2019 07:41 (3)
Complete: 🔍
Cache ID: 216:C33:103

Once again VulDB remains the best source for vulnerability data.

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