Firebird SQL Server 2.0.0 fbserver.exe memory corruption

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.
9.0$0-$5k0.00

A vulnerability was found in Firebird SQL Server 2.0.0 (Database Software). It has been classified as very critical. This affects an unknown part in the library gds32.dll of the file fbserver.exe. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in fbserver.exe in Firebird SQL 2 before 2.0.1 allows remote attackers to execute arbitrary code via a large p_cnct_count value in a p_cnct structure in a connect (0x01) request to port 3050/tcp, related to "an InterBase version of gds32.dll."

The bug was discovered 06/11/2007. The weakness was disclosed 06/11/2007 by Cody Pierce with TippingPoint (Website). The advisory is shared at dvlabs.tippingpoint.com. This vulnerability is uniquely identified as CVE-2007-3181 since 06/12/2007. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/08/2019).

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 25492 (Firebird DataBase Server fbserver.exe p_cnct_count Value Remote Overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Databases and running in the context r.

Upgrading to version 2.0.0 eliminates this vulnerability. Attack attempts may be identified with Snort ID 12009. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 5067.

The vulnerability is also documented in the databases at X-Force (34833) and Tenable (25492).

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 25492
Nessus Name: Firebird DataBase Server fbserver.exe p_cnct_count Value Remote Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 58454
OpenVAS Name: Gentoo Security Advisory GLSA 200707-01 (firebird)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: SQL Server 2.0.0

Snort ID: 12009
TippingPoint: 🔍

Timelineinfo

06/11/2007 🔍
06/11/2007 +0 days 🔍
06/12/2007 +0 days 🔍
06/12/2007 +0 days 🔍
06/12/2007 +0 days 🔍
06/12/2007 +0 days 🔍
06/12/2007 +0 days 🔍
06/12/2007 +0 days 🔍
06/13/2007 +0 days 🔍
06/17/2007 +4 days 🔍
03/15/2015 +2828 days 🔍
07/08/2019 +1576 days 🔍

Sourcesinfo

Advisory: dvlabs.tippingpoint.com
Researcher: Cody Pierce
Organization: TippingPoint
Status: Not defined
Confirmation: 🔍

CVE: CVE-2007-3181 (🔍)
X-Force: 34833
Vulnerability Center: 15372 - Firebird SQL 2.0 Remote Code Execution with System Privileges due to Buffer Overflow, Critical
SecurityFocus: 24436 - Firebird SQL Fbserver Remote Buffer Overflow Vulnerability
Secunia: 25601 - Firebird "connect" Request Buffer Overflow and Denial of Service, Moderately Critical
OSVDB: 37231 - Firebird SQL fbserver.exe p_cnct_count Value Remote Overflow
Vupen: ADV-2007-2149

Entryinfo

Created: 03/15/2015 15:58
Updated: 07/08/2019 10:08
Changes: 03/15/2015 15:58 (75), 07/08/2019 10:08 (12)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!