Avast Antivirus 4.6.460/4.6.489/4.6.566/4.7.660/4.7.676 Authentication improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Avast Antivirus 4.6.460/4.6.489/4.6.566/4.7.660/4.7.676. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Authentication. The manipulation results in improper authentication. This vulnerability is cataloged as CVE-2007-0829. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Avast Antivirus 4.6.460/4.6.489/4.6.566/4.7.660/4.7.676 (Anti-Malware Software). It has been classified as problematic. Affected is some unknown processing of the component Authentication. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, and integrity. CVE summarizes:

avast! Server Edition before 4.7.726 does not demand a password in a certain intended context, even when a password has been set, which allows local users to bypass authentication requirements.

The bug was discovered 02/05/2007. The weakness was shared 02/06/2007 with avast! (Website). The advisory is shared for download at avast.com. This vulnerability is traded as CVE-2007-0829 since 02/07/2007. Access to the local network is required for this attack to succeed. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

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. The vulnerability scanner Nessus provides a plugin with the ID 24280 (avast! Antivirus Server Edition Password Setting Weakness), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l.

Upgrading to version 4.7.726 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at avast.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (32269), Tenable (24280), SecurityFocus (BID 22425†), OSVDB (33114†) and Secunia (SA24068†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 4.7

VulDB Base Score: 5.4
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 24280
Nessus Name: avast! Antivirus Server Edition Password Setting Weakness
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Antivirus 4.7.726
Patch: avast.com

Timelineinfo

02/05/2007 🔍
02/05/2007 +0 days 🔍
02/06/2007 +1 days 🔍
02/06/2007 +0 days 🔍
02/06/2007 +0 days 🔍
02/06/2007 +0 days 🔍
02/06/2007 +0 days 🔍
02/07/2007 +0 days 🔍
02/07/2007 +0 days 🔍
02/12/2007 +5 days 🔍
02/12/2007 +0 days 🔍
07/14/2019 +4535 days 🔍

Sourcesinfo

Advisory: avast.com
Researcher: http://www.avast.com
Organization: avast!
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-0829 (🔍)
GCVE (CVE): GCVE-0-2007-0829
GCVE (VulDB): GCVE-100-2904
X-Force: 32269 - avast! Server Edition password security bypass, Medium Risk
SecurityFocus: 22425 - Avast! Antivirus Server Edition Password Setting Security Bypass Vulnerability
Secunia: 24068 - avast! Server Edition Password Setting Security Issue, Less Critical
OSVDB: 33114 - avast! Server Edition Unspecified Context Password Bypass
Vulnerability Center: 14238 - Avast! Server Edition Does Not Demand Password, Medium
Vupen: ADV-2007-0499

Entryinfo

Created: 02/12/2007 12:16
Updated: 07/14/2019 14:31
Changes: 02/12/2007 12:16 (90), 07/14/2019 14:31 (2)
Complete: 🔍
Cache ID: 216:C84:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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