avast antivirus 4.7.980 denial of service

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 (≈)
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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.
7.1$0-$5k0.00

A vulnerability was found in avast antivirus 4.7.980 (Anti-Malware Software) and classified as critical. This issue affects an unknown code. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

avast! antivirus before 4.7.981 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 published 05/08/2007 by Jean-Sebastien Guay-Leroux as not defined posting (Bugtraq). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2007-1672 since 03/24/2007. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed in ANSI C. The exploit is available at securityfocus.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at X-Force (34080). Similar entries are available at 3066, 3061, 3060 and 3073.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.5
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 102050
OpenVAS Name: Avast! Zoo Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/24/2007 🔍
05/04/2007 +41 days 🔍
05/08/2007 +4 days 🔍
05/08/2007 +0 days 🔍
05/08/2007 +0 days 🔍
05/08/2007 +0 days 🔍
05/08/2007 +0 days 🔍
12/06/2007 +211 days 🔍
03/13/2015 +2654 days 🔍
01/09/2017 +668 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Jean-Sebastien Guay-Leroux
Status: Not defined

CVE: CVE-2007-1672 (🔍)
X-Force: 34080
Vulnerability Center: 17010 - Avast! Anti-Virus Vulnerability Allows Remote Attackers to Cause DoS via ZOO Archive Files, Medium
SecurityFocus: 23823 - Multiple Vendors Zoo Compression Algorithm Remote Denial of Service Vulnerability
Secunia: 25137 - avast! Zoo Denial of Service Vulnerability, Less Critical
OSVDB: 35794 - avast! Antivirus Crafted Zoo Archive DoS
Vupen: ADV-2007-1701

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

Entryinfo

Created: 03/13/2015 14:56
Updated: 01/09/2017 10:25
Changes: 03/13/2015 14:56 (59), 01/09/2017 10:25 (17)
Complete: 🔍

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