VDB-1827 · EDB 1253 · OSVDB 20333

Mozilla Firefox up to 1.5 Beta 2 HTML sourcetext denial of service

CVSS Meta Temp Score
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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
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4.3$0-$5k0.00

A vulnerability classified as critical has been found in Mozilla Firefox up to 1.5 Beta 2 (Web Browser). This affects an unknown function of the component HTML. The manipulation of the argument sourcetext 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.

The weakness was disclosed 10/17/2005 by posidron (Website). It is possible to read the advisory at whitedust.net. It is possible to initiate the attack remotely. It demands that the victim is doing some kind of user interaction. Technical details and a public exploit are known. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

A public exploit has been developed by posidron and been published even before and not after the advisory. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at mozilla.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Exploit-DB (1253). The entry 1828 is pretty similar.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.8
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: posidron
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: mozilla.org

Timelineinfo

10/16/2005 🔍
10/17/2005 +1 days 🔍
10/19/2005 +2 days 🔍
10/27/2005 +8 days 🔍
07/04/2019 +4998 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: whitedust.net
Researcher: posidron
Status: Not defined
OSVDB: 20333 - Multiple Browser Malformed sourcetext Tag DoS

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

Entryinfo

Created: 10/19/2005 17:33
Updated: 07/04/2019 20:37
Changes: 10/19/2005 17:33 (60), 07/04/2019 20:37 (1)
Complete: 🔍

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