PostgreSQL 6.5.0 Multibyte Character sql injection

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.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in PostgreSQL 6.5.0. Affected is an unknown function of the component Multibyte Character Handler. Executing a manipulation can lead to sql injection. This vulnerability appears as CVE-2002-0802. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability has been found in PostgreSQL 6.5.0 (Database Software) and classified as critical. This vulnerability affects an unknown code block of the component Multibyte Character Handler. The manipulation with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The multibyte support in PostgreSQL 6.5.x with SQL_ASCII encoding consumes an extra character when processing a character that cannot be converted, which could remove an escape character from the query and make the application subject to SQL injection attacks.

The weakness was presented 08/12/2002 (Website). The advisory is shared for download at marc.theaimsgroup.com. This vulnerability was named CVE-2002-0802. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1505.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 86229 (Apache AuthPG Remote SQL Query Manipulation Vulnerability).

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 (10328) and Vulnerability Center (SBV-3376†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Database Software

Name

PostgreSQL

Version

6.5.0

License

open-source

Website

Product: https://www.postgresql.org/

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Sql injection
CWE: CWE-89 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/02/2002 🔍
08/12/2002 +102 days 🔍
08/12/2002 +0 days 🔍
01/11/2004 +517 days 🔍
07/22/2014 +3845 days 🔍
09/13/2025 +4071 days 🔍

Sourcesinfo

Product: postgresql.org

Advisory: marc.theaimsgroup.com
Status: Not defined

CVE: CVE-2002-0802 (🔍)
GCVE (CVE): GCVE-0-2002-0802
GCVE (VulDB): GCVE-100-18688
X-Force: 10328
Vulnerability Center: 3376 - Multi-byte Support in PostgreSQL 6.5.x with SQL_ASCII Encoding is Vulnerable to SQL Injection Attack, High

Entryinfo

Created: 07/22/2014 23:53
Updated: 09/13/2025 06:48
Changes: 07/22/2014 23:53 (36), 05/19/2019 09:15 (16), 09/13/2025 06:48 (18)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.