VDB-924 · SA12717 · GCVE-100-924

Avant Browser up to 10.0 build 029 Tab Browsing Form Field information disclosure

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.
3.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Avant Browser up to 10.0 build 029. Affected by this vulnerability is an unknown functionality of the component Tab Browsing Form Field Handler. The manipulation results in information disclosure. The attack may be launched remotely. Furthermore, there is an exploit available. It is best to disable the affected component.

Detailsinfo

A vulnerability was found in Avant Browser up to 10.0 build 029. It has been classified as problematic. Affected is an unknown function of the component Tab Browsing Form Field Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality.

The weakness was shared 10/20/2004 by Jakob Balle with Secunia Research (Website). The advisory is shared for download at secunia.com. It is possible to launch the attack remotely. Technical details are unknown but an exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.

The exploit is shared for download at secunia.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at avantbrowser.com.

The vulnerability is also documented in the vulnerability database at Secunia (SA12717†). The entries VDB-923, VDB-921, VDB-926 and VDB-920 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Disable
Status: 🔍

0-Day Time: 🔍

Patch: avantbrowser.com

Timelineinfo

10/20/2004 🔍
10/20/2004 +0 days 🔍
10/21/2004 +1 days 🔍
06/29/2019 +5364 days 🔍

Sourcesinfo

Advisory: secunia.com⛔
Researcher: Jakob Balle
Organization: Secunia Research
Status: Not defined

GCVE (VulDB): GCVE-100-924
Secunia: 12717 - Avant Browser Tabbed Browsing Vulnerabilities, Moderately Critical

See also: 🔍

Entryinfo

Created: 10/21/2004 14:14
Updated: 06/29/2019 17:30
Changes: 10/21/2004 14:14 (55), 06/29/2019 17:30 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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