Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).

CVE-2009-2620 — Improper Input Validation in Firebird

CWE-20 — Improper Input Validation6 documents6 sources
Severity
5.0MEDIUMNVD
EPSS
10.0%
top 6.93%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
1
Firebirdsql Firebird
Timeline
PublishedJul 29
Latest updateMay 2

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.

CVSS vector

AV:N/AC:L/C:N/I:N/A:PExploitability: 10.0 | Impact: 2.9

Affected Packages1 packages

▶NVDfirebirdsql/firebird1.5 — 1.5.6+3

Patches

Patch: www.securityfocus.com ↗Patch: www.securityfocus.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-rp94-92gp-7q47: src/remote/server↗2022-05-02
▶
CVEList
CVE-2009-2620: src/remote/server↗2009-07-29
▶

💥Exploits & PoCs

1
Exploit-DB
Firebird SQL - op_connect_request main listener shutdown↗2009-07-28
▶

📋Vendor Advisories

1
Red Hat
firebird-superserver: NULL ptr dereference (DoS) by handling auxiliary connection(s)↗2009-07-28
▶

💬Community

1
Bugzilla
CVE-2009-2620 firebird-superserver: NULL ptr dereference (DoS) by handling auxiliary connection(s)↗2009-07-29
▶
CVE-2009-2620 — Improper Input Validation in Firebird | cvebase