CVE-2009-2620

Public Exploit

Description

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.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 10.68% Top 10%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory firebirdsql.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/35842 exploit vdb entry patch
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01341.html vendor advisory
http://www.coresecurity.com/content/firebird-sql-dos exploit
http://www.exploit-db.com/exploits/9295 exploit
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01370.html vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=514463
http://tracker.firebirdsql.org/browse/CORE-2563 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2009-2620?
CVE-2009-2620 has been scored as a medium severity vulnerability.
How to fix CVE-2009-2620?
To fix CVE-2009-2620, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-2620 being actively exploited in the wild?
It is possible that CVE-2009-2620 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~11% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.