Firebird SQL Server up to 2.5.3 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Firebird SQL Server up to 2.5.3. This vulnerability affects unknown code. This manipulation causes memory corruption. This vulnerability is handled as CVE-2013-2492. The attack can be initiated remotely. Additionally, an exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Firebird SQL Server up to 2.5.3 (Database Software). It has been declared as critical. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in Firebird 2.1.3 through 2.1.5 before 18514, and 2.5.1 through 2.5.3 before 26623, on Windows allows remote attackers to execute arbitrary code via a crafted packet to TCP port 3050, related to a missing size check during extraction of a group number from CNCT information.

The bug was discovered 03/08/2013. The weakness was released 03/15/2013 (Website). The advisory is shared at github.com. This vulnerability is known as CVE-2013-2492 since 03/06/2013. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed in Ruby. It is possible to download the exploit at securityfocus.com. It is declared as highly functional. The vulnerability scanner Nessus provides a plugin with the ID 74929 (openSUSE Security Update : firebird (openSUSE-SU-2013:0496-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165888 (SUSE Security Update Fix for Remote Stack Overflow (openSUSE-SU-2013:0496-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 24841.

The vulnerability is also documented in the databases at X-Force (82676), Exploit-DB (41709), Tenable (74929), SecurityFocus (BID 58393†) and OSVDB (91044†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

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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: 🔍
Access: Public
Status: Highly functional
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 74929
Nessus Name: openSUSE Security Update : firebird (openSUSE-SU-2013:0496-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 892647
OpenVAS Name: Debian Security Advisory DSA 2647-1 (firebird2.1 - buffer overflow
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: fb_cnct_group.rb
MetaSploit Name: Firebird Relational Database CNCT Group Number Buffer Overflow
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Fortigate IPS: 🔍

Timelineinfo

03/06/2013 🔍
03/08/2013 +2 days 🔍
03/08/2013 +0 days 🔍
03/08/2013 +0 days 🔍
03/08/2013 +0 days 🔍
03/15/2013 +7 days 🔍
03/15/2013 +0 days 🔍
03/18/2013 +3 days 🔍
06/13/2014 +452 days 🔍
03/24/2015 +284 days 🔍
06/03/2025 +3724 days 🔍

Sourcesinfo

Advisory: dsa-2647
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-2492 (🔍)
GCVE (CVE): GCVE-0-2013-2492
GCVE (VulDB): GCVE-100-63781

OVAL: 🔍

X-Force: 82676
SecurityFocus: 58393 - Firebird CVE-2013-2492 Remote Code Execution Vulnerability
OSVDB: 91044 - CVE-2013-2492 - Firebird - Buffer Overflow Issue
Vulnerability Center: 38814 - Firebird Remote Arbitrary Code Execution via a Crafted Packet to TCP Port 3050, High

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/24/2015 12:22
Updated: 06/03/2025 14:19
Changes: 03/24/2015 12:22 (65), 07/08/2019 12:10 (22), 01/01/2022 09:29 (2), 01/01/2022 09:32 (1), 12/27/2024 01:42 (18), 06/03/2025 14:19 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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