VDB-16368 · CVE-2000-0896 · XFDB 5749

WatchGuard SOHO Firewall 1.6/2.1.3 IP Fragmentation denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.8	$0-$5k	0.00

A vulnerability was found in WatchGuard SOHO Firewall 1.6/2.1.3 (Firewall Software). It has been classified as problematic. Affected is some unknown functionality of the component IP Fragmentation Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

WatchGuard SOHO firewall allows remote attackers to cause a denial of service via a flood of fragmented IP packets, which causes the firewall to drop connections and stop forwarding packets.

The weakness was presented 12/14/2000 by ISS X-Force Research (ERNE) (Website). The advisory is shared for download at xforce.iss.net. This vulnerability is traded as CVE-2000-0896. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but an exploit is available.

After immediately, there has been an exploit disclosed. It is declared as proof-of-concept.

Upgrading to version 2.2.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (5749). See 16366 and 16367 for similar entries.

Productinfo

Type

Firewall Software

Vendor

WatchGuard

Name

SOHO Firewall

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: SOHO Firewall 2.2.1

Timelineinfo

12/14/2000 🔍
12/14/2000 +0 days 🔍
12/14/2000 +0 days 🔍
02/12/2001 +60 days 🔍
02/21/2003 +739 days 🔍
07/03/2014 +4149 days 🔍
04/09/2019 +1741 days 🔍

Sourcesinfo

Advisory: xforce.iss.net
Researcher: ISS X-Force Research (ERNE)
Status: Not defined

CVE: CVE-2000-0896 (🔍)
X-Force: 5749 - WatchGuard SOHO Firewall fragmented IP packet attack
SecurityFocus: 2113 - Watchguard SOHO Firewall Fragmented IP Packet DoS Vulnerability
OSVDB: 1690 - WatchGuard Firebox SOHO Fragmented IP Packet DoS

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/03/2014 10:19
Updated: 04/09/2019 08:38
Changes: 07/03/2014 10:19 (62), 04/09/2019 08:38 (1)
Complete: 🔍