Informix Server GSKit 7.x <= 7.0.4.47 / 8.0.50.x <= 8.0.50.13 X.509 Certificate Chain DoS

medium Nessus Plugin ID 80476

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Synopsis

The remote host has an application that is affected by a denial of service vulnerability.

Description

The remote Informix server ships with a version of IBM's Global Security kit (GSKit) library that is affected by a denial of service vulnerability. A remote attacker can exploit this issue via malformed X.509 certificate chain to cause the host to become unresponsive.

Note that this plugin only checks the version of IBM Informix Server and GSKit. It does not check for the presence of any workaround.

Solution

Upgrade the Informix server or apply the correct GSKit patch per the vendor advisory.

Plugin Details

Severity: Medium

ID: 80476

File Name: ibm_informix_server_swg21668664.nasl

Version: 1.6

Type: local

Agent: windows

Family: Misc.

Published: 1/13/2015

Updated: 9/18/2020

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2013-6747

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:ibm:global_security_kit, cpe:/a:ibm:informix_dynamic_server

Required KB Items: installed_sw/IBM Informix Dynamic Server, installed_sw/IBM GSKit

Exploit Ease: No known exploits are available

Patch Publication Date: 4/6/2014

Vulnerability Publication Date: 4/6/2014

Reference Information

CVE: CVE-2013-6747

BID: 65156

Detections

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