Vulnerability Report

CVE-2009-2620

Title: Firebirdsql Firebird Memory Corruption

Memory Corruption

Proof Of Concept

PoC Available for CVE-2009-2620

CWE Category CWE-20
Published Date Jul 29, 2009
Modified Date Oct 10, 2025
Exploit Status Available
Score 5.0 CVSS v2.0
Exploit Probability (EPSS)
10.00%

Vulnerability Summary

CVE-2009-2620: src/remote/server.cpp in fbserver.exe in Firebird SQL 1.5 before 1.5.6, 2.0 before 2.0.6, 2.1 before 2.1.3, and 2.5 before 2.5 Beta 2 allows remote attackers to cause a denial of service (daemon crash) via a malformed op_connect_request message that triggers an infinite loop or NULL pointer dereference.

Impacted Vendors

F
firebird 1
F
firebirdsql 1

Reference Links

http://tracker.firebirdsql.org/browse/CORE-2563 http://www.coresecurity.com/content/firebird-sql-dos http://www.exploit-db.com/exploits/9295 http://www.securityfocus.com/bid/35842 https://bugzilla.redhat.com/show_bug.cgi?id=514463 https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01341.html https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01370.html http://tracker.firebirdsql.org/browse/CORE-2563 http://www.coresecurity.com/content/firebird-sql-dos http://www.exploit-db.com/exploits/9295 http://www.securityfocus.com/bid/35842 https://bugzilla.redhat.com/show_bug.cgi?id=514463 https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01341.html https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01370.html
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
5.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2009-2620 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/9295
View Code
MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A
Complexity N/A
Privileges N/A
Interaction NONE
CVSS Vector String AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected Stack

No specific products linked.