CVE-2017-6369

Ubuntu Security Notice USN-3929-1

Severity Score

8.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Verificaciones insuficientes en el subsistema UDF en Firebird 2.5.x en versiones anteriores a 2.5.7 y 3.0.x en versiones anteriores a 3.0.2 permiten a usuarios remotos autenticados ejecutar código utilizando un punto de entrada 'system' desde fbudf.so.

It was discovered that Firebird incorrectly handled certain malformed packets. A remote attacker could possibly use this issue with a specially crafted network packet to cause Firebird to crash, resulting in a denial of service. It was discovered that Firebird incorrectly handled certain UDF libraries. A remote attacker could possibly use this issue to execute arbitrary code. Various other issues were also addressed.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-02-28 CVE Reserved
2017-03-24 CVE Published
2024-08-05 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-862: Missing Authorization

CAPEC

References (4)

URL	Tag	Source
http://www.securityfocus.com/bid/97070	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://tracker.firebirdsql.org/browse/CORE-5474	2019-10-03
http://www.debian.org/security/2017/dsa-3824	2019-10-03
https://usn.ubuntu.com/3929-1	2019-10-03

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Firebirdsql Search vendor "Firebirdsql"		Firebird Search vendor "Firebirdsql" for product "Firebird"				2.5.1 Search vendor "Firebirdsql" for product "Firebird" and version "2.5.1"		-		Affected
Firebirdsql Search vendor "Firebirdsql"		Firebird Search vendor "Firebirdsql" for product "Firebird"				2.5.2 Search vendor "Firebirdsql" for product "Firebird" and version "2.5.2"		-		Affected
Firebirdsql Search vendor "Firebirdsql"		Firebird Search vendor "Firebirdsql" for product "Firebird"				2.5.3 Search vendor "Firebirdsql" for product "Firebird" and version "2.5.3"		-		Affected
Firebirdsql Search vendor "Firebirdsql"		Firebird Search vendor "Firebirdsql" for product "Firebird"				2.5.4 Search vendor "Firebirdsql" for product "Firebird" and version "2.5.4"		-		Affected
Firebirdsql Search vendor "Firebirdsql"		Firebird Search vendor "Firebirdsql" for product "Firebird"				2.5.5 Search vendor "Firebirdsql" for product "Firebird" and version "2.5.5"		-		Affected
Firebirdsql Search vendor "Firebirdsql"		Firebird Search vendor "Firebirdsql" for product "Firebird"				2.5.6 Search vendor "Firebirdsql" for product "Firebird" and version "2.5.6"		-		Affected
Firebirdsql Search vendor "Firebirdsql"		Firebird Search vendor "Firebirdsql" for product "Firebird"				3.0 Search vendor "Firebirdsql" for product "Firebird" and version "3.0"		-		Affected
Firebirdsql Search vendor "Firebirdsql"		Firebird Search vendor "Firebirdsql" for product "Firebird"				3.0.1 Search vendor "Firebirdsql" for product "Firebird" and version "3.0.1"		-		Affected