Firebird SQL Server 2.0.2 fbserver.exe process_packet 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.
9.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Firebird SQL Server 2.0.2. This impacts the function process_packet of the file fbserver.exe. The manipulation results in memory corruption. This vulnerability is known as CVE-2007-4992. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Firebird SQL Server 2.0.2 (Database Software). Affected is the function process_packet 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. CVE summarizes:

Stack-based buffer overflow in the process_packet function in fbserver.exe in Firebird SQL 2.0.2 allows remote attackers to execute arbitrary code via a long request to TCP port 3050.

The bug was discovered 10/12/2007. The weakness was published 10/10/2007 (Website). The advisory is shared for download at firebirdsql.org. This vulnerability is traded as CVE-2007-4992 since 09/20/2007. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD (estimation calculated on 07/08/2019).

The vulnerability scanner Nessus provides a plugin with the ID 29293 (GLSA-200712-06 : Firebird: Multiple buffer overflows), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 months after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 5627.

The vulnerability is also documented in the databases at X-Force (37079), Tenable (29293), SecurityFocus (BID 26011†), OSVDB (41543†) and Secunia (SA27982†). Similar entry is available at VDB-39107. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
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
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 29293
Nessus Name: GLSA-200712-06 : Firebird: Multiple buffer overflows
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 59968
OpenVAS Name: Gentoo Security Advisory GLSA 200712-06 (firebird)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

09/20/2007 🔍
10/10/2007 +20 days 🔍
10/10/2007 +0 days 🔍
10/10/2007 +0 days 🔍
10/10/2007 +0 days 🔍
10/11/2007 +1 days 🔍
10/12/2007 +1 days 🔍
12/09/2007 +58 days 🔍
12/10/2007 +1 days 🔍
12/11/2007 +1 days 🔍
12/17/2007 +6 days 🔍
03/16/2015 +2646 days 🔍
07/08/2019 +1575 days 🔍

Sourcesinfo

Advisory: firebirdsql.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-4992 (🔍)
GCVE (CVE): GCVE-0-2007-4992
GCVE (VulDB): GCVE-100-39180
X-Force: 37079
SecurityFocus: 26011 - Firebird Process_Packet Remote Buffer Overflow Vulnerability
Secunia: 27982 - Gentoo update for firebird, Moderately Critical
OSVDB: 41543 - Firebird - Process_Packet - Remote Buffer Overflow Issue
SecurityTracker: 1018802
Vulnerability Center: 17134 - Firebird Project Firebird Buffer Overflow Allows Remote Code Execution via Port 3050, High

See also: 🔍

Entryinfo

Created: 03/16/2015 12:18
Updated: 07/08/2019 11:39
Changes: 03/16/2015 12:18 (74), 07/08/2019 11:39 (15)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you need the next level of professionalism?

Upgrade your account now!