CVE-2017-6369

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-03-24 · updated 2026-06-17
Weakness: CWE-862

Description

Insufficient checks in the UDF subsystem in Firebird 2.5.x before 2.5.7 and 3.0.x before 3.0.2 allow remote authenticated users to execute code by using a 'system' entrypoint from fbudf.so.

Affected products

FirebirdSQL firebird: from 2.5.0 before 2.5.7; from 3.0.0 before 3.0.2 — fixed in 2.5.7, 3.0.2

How to fix

Upgrade to a fixed version: FirebirdSQL firebird 2.5.7, 3.0.2. Check the vendor advisory for mitigations.

References

http://tracker.firebirdsql.org/browse/CORE-5474
http://www.debian.org/security/2017/dsa-3824
http://www.securityfocus.com/bid/97070
https://usn.ubuntu.com/3929-1/
http://tracker.firebirdsql.org/browse/CORE-5474
http://www.debian.org/security/2017/dsa-3824
http://www.securityfocus.com/bid/97070
https://usn.ubuntu.com/3929-1/

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