Avira Antivir Antivirus up to 7.03.00.8 denial of service

EntryHistoryDiffjsonxmlCTI

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.
6.7	$0-$5k	0.00

A vulnerability, which was classified as critical, was found in Avira Antivir Antivirus up to 7.03.00.8 (Anti-Malware Software). This affects an unknown function. 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. The summary by CVE is:

Avira Antivir Antivirus before 7.03.00.09 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a malformed TAR archive.

The weakness was published 05/28/2007 by Shadow with n.runs (Website). The advisory is shared at secunia.com. This vulnerability is uniquely identified as CVE-2007-2973 since 05/31/2007. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 25348 (Avira AntiVir File Handling Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows.

Upgrading to version 7.03.00.09 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (34557) and Tenable (25348). Similar entries are available at 3099 and 37066.

Productinfo

Type

Anti-Malware Software

Vendor

Avira

Name

Antivir Antivirus

Version

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

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

Nessus ID: 25348
Nessus Name: Avira AntiVir File Handling Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Antivir Antivirus 7.03.00.09

Timelineinfo

05/23/2007 🔍
05/28/2007 +5 days 🔍
05/28/2007 +0 days 🔍
05/29/2007 +0 days 🔍
05/29/2007 +0 days 🔍
05/29/2007 +0 days 🔍
05/31/2007 +1 days 🔍
05/31/2007 +0 days 🔍
05/31/2007 +0 days 🔍
06/04/2007 +4 days 🔍
03/15/2015 +2841 days 🔍
07/20/2021 +2319 days 🔍

Sourcesinfo

Advisory: secunia.com⛔
Researcher: Shadow
Organization: n.runs
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-2973 (🔍)
X-Force: 34557
SecurityTracker: 1018137 - AntiVir Divide By Zero Error in Processing TAR Files Lets Remote Users Deny Service
Vulnerability Center: 15290 - Avira Antivir Antivirus Remote Denial of Service via a Crafted TAR Archive, High
SecurityFocus: 24187 - Avira Antivir Antivirus Multiple Remote Vulnerabilities
Secunia: 25417 - Avira Antivir Multiple File Processing Vulnerabilities, Highly Critical
OSVDB: 36711 - Avira AntiVir Antivirus TAR Archive Handling DoS
Vupen: ADV-2007-1971

See also: 🔍

Entryinfo

Created: 03/15/2015 03:58 PM
Updated: 07/20/2021 08:50 AM
Changes: 03/15/2015 03:58 PM (62), 12/28/2016 06:46 PM (19), 07/20/2021 08:50 AM (3)
Complete: 🔍