2009-4136 | PostgreSQL index memory corruption (Bug 546321 / BID-37333)

By Max On Aug 28, 2021

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.
5.7	$0-$5k	0.89

A vulnerability was found in PostgreSQL up to 8.2.10 (Database Software) and classified as critical. Affected by this issue is the function index. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 12/14/2009 as Bug 546321 as confirmed bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is handled as CVE-2009-4136 since 12/01/2009. The exploitation is known to be easy. The attack may be launched remotely. A simple authentication is necessary for exploitation. There are known technical details, but no exploit is available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 68044 (Oracle Linux 5 : postgresql (ELSA-2010-0429)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 155662 (Oracle Enterprise Linux Update for PostgreSQL (ELSA-2010-0427)).

Upgrading to version 8.2.11 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityTracker (ID 1023326), Vulnerability Center (SBV-24415) and Tenable (68044). The entries 13593, 51723 and 51151 are pretty similar.

Type

Name

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

AV	AC	Au	C	I	A
🔍	🔍	🔍	🔍	🔍	🔍
🔍	🔍	🔍	🔍	🔍	🔍
🔍	🔍	🔍	🔍	🔍	🔍

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 68044
Nessus Name: Oracle Linux 5 : postgresql (ELSA-2010-0429)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 66566
OpenVAS Name: Fedora Core 11 FEDORA-2009-13363 (postgresql)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PostgreSQL 8.2.11

12/01/2009 🔍
12/14/2009 +13 days 🔍
12/14/2009 +0 days 🔍
12/14/2009 +0 days 🔍
12/14/2009 +0 days 🔍
12/15/2009 +0 days 🔍
12/15/2009 +0 days 🔍
12/15/2009 +0 days 🔍
12/15/2009 +0 days 🔍
12/21/2009 +5 days 🔍
07/12/2013 +1299 days 🔍
03/18/2015 +614 days 🔍
08/28/2021 +2355 days 🔍Product: https://www.postgresql.org/

Advisory: Bug 546321
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-4136 (🔍)
OVAL: 🔍

SecurityTracker: 1023326 – PostgreSQL Index Function State Changing Flaw Lets Remote Authenticated Users Gain Elevated Privileges
Vulnerability Center: 24415 – PostgreSQL Index Function Vulnerability Allows Remote Authenticated Attackers to Gain Privileges, Medium
SecurityFocus: 37333 – PostgreSQL Index Function Session State Modification Local Privilege Escalation Vulnerability
Secunia: 37663 – PostgreSQL SSL Certificate Processing and Privilege Escalation Vulnerabilities, Moderately Critical
OSVDB: 61039 – PostgreSQL Index Function Session Manipulation Privilege Escalation
Vupen: ADV-2009-3519

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