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.
7.0	$0-$5k	0.00

A vulnerability has been found in MySQL (Database Software) and classified as critical. This vulnerability affects the function vio_verify_callback of the file viosslfactories.c of the component Certificates. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The vio_verify_callback function in viosslfactories.c in MySQL 5.0.x before 5.0.88 and 5.1.x before 5.1.41, when OpenSSL is used, accepts a value of zero for the depth of X.509 certificates, which allows man-in-the-middle attackers to spoof arbitrary SSL-based MySQL servers via a crafted certificate, as demonstrated by a certificate presented by a server linked against the yaSSL library.

The weakness was disclosed 11/30/2009 (Website). The advisory is available at vupen.com. This vulnerability was named CVE-2009-4028. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 44948 (CentOS 5 : mysql (CESA-2010:0109)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 155704 (Oracle Enterprise Linux Update for MySQL (ELSA-2010-0109)).

Upgrading to version 5.0.0.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (44948). The entries 50963, 50961, 52996 and 52995 are pretty similar.

Productinfo

Type

• Database Software

Name

• MySQL

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

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

Nessus ID: 44948
Nessus Name: CentOS 5 : mysql (CESA-2010:0109)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 66573
OpenVAS Name: Fedora Core 12 FEDORA-2009-13466 (mysql)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: MySQL 5.0.0.0

Timelineinfo

11/20/2009 🔍
11/30/2009 +10 days 🔍
11/30/2009 +0 days 🔍
11/30/2009 +0 days 🔍
12/07/2009 +7 days 🔍
03/18/2015 +1927 days 🔍
08/28/2021 +2355 days 🔍

Sourcesinfo

Advisory: vupen.com⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-4028 (🔍)
OVAL: 🔍

Vulnerability Center: 24293 - MySQL 5.0-5.0.87 and 5.1-5.1.40 Man-in-the-Middle MySQL Servers Spoofing Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 03/18/2015 15:15
Updated: 08/28/2021 09:29
Changes: 03/18/2015 15:15 (60), 02/17/2017 12:32 (6), 08/28/2021 09:28 (4), 08/28/2021 09:29 (1)
Complete: 🔍

Discussion

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