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 has been found in Avira AntiVir 7.3.0.5 and classified as critical. Affected by this vulnerability is an unknown function of the component Zoo Archive Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

avpack32.dll before 7.3.0.6 in Avira AntiVir allows remote attackers to cause a denial of service (infinite loop) via a ZOO archive with a direntry structure that points to a previous file.

The weakness was presented 05/10/2007 by Jean-Sebastien Guay-Leroux (Website). The advisory is shared at guay-leroux.com. This vulnerability is known as CVE-2007-1671 since 03/24/2007. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed in ANSI C. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (34080). See 3066, 3061, 3060 and 3090 for similar entries.

Productinfo

Vendor

• Avira

Name

• AntiVir

Version

• 7.3.0.5

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

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

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
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

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: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

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: 🔍

Timelineinfo

03/24/2007 🔍
05/04/2007 +41 days 🔍
05/08/2007 +4 days 🔍
05/08/2007 +0 days 🔍
05/10/2007 +2 days 🔍
05/10/2007 +0 days 🔍
05/10/2007 +0 days 🔍
05/15/2007 +4 days 🔍
12/06/2007 +205 days 🔍
01/09/2017 +3322 days 🔍

Sourcesinfo

Advisory: guay-leroux.com
Researcher: Jean-Sebastien Guay-Leroux
Status: Confirmed

CVE: CVE-2007-1671 (🔍)
X-Force: 34080 - Multiple vendor ZOO archive decompression denial of service, Medium Risk
Vulnerability Center: 17011 - Avira AntiVir Anti-Virus Allows Remote Attackers to Cause DoS via ZOO Files, Medium
SecurityFocus: 23823 - Multiple Vendors Zoo Compression Algorithm Remote Denial of Service Vulnerability
Secunia: 25140 - Avira AntiVir Zoo Denial of Service Vulnerability, Less Critical
OSVDB: 35911 - Avira AntiVir avpack32.dll Malformed Zoo Handling DoS
Vupen: ADV-2007-1702

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

Entryinfo

Created: 05/15/2007 10:54
Updated: 01/09/2017 10:25
Changes: 05/15/2007 10:54 (72), 01/09/2017 10:25 (10)
Complete: 🔍

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