CVE-2017-11509

Publication date 28 March 2018

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

An authenticated remote attacker can execute arbitrary code in Firebird SQL Server versions 2.5.7 and 3.0.2 by executing a malformed SQL statement.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
firebird2.5	18.10 cosmic	Not in release
	18.04 LTS bionic	Not in release
	17.10 artful	Not in release
	16.04 LTS xenial	Ignored
	14.04 LTS trusty	Ignored
firebird3.0	18.10 cosmic	Ignored
	18.04 LTS bionic	Ignored
	17.10 artful	Ignored end of life
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release

Notes

msalvatore

"No official solution exists. However, Tenable believes that disabling external UDF libraries from being loaded mitigates this issue... edit the default configuration from UdfAccess=Restrict to UdfAccess=None." -- Marking as "ignored"

Severity score breakdown

Parameter	Value
Base score	8.8 · High
Attack vector	Network
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H