ClamAV Antivirus up to 0.99.1 Mew Packer File access control

HistoryDiffrelatejsonxmlCTI

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.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in ClamAV Antivirus up to 0.99.1. This vulnerability affects unknown code of the component Mew Packer File Handler. The manipulation results in access control. This vulnerability is cataloged as CVE-2016-1371. The attack must be initiated from a local position. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in ClamAV Antivirus up to 0.99.1 (Anti-Malware Software). Affected is some unknown functionality of the component Mew Packer File Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on availability. CVE summarizes:

ClamAV (aka Clam AntiVirus) before 0.99.2 allows remote attackers to cause a denial of service (application crash) via a crafted mew packer executable.

The weakness was shared 10/03/2016 (Website). The advisory is shared for download at blog.clamav.net. This vulnerability is traded as CVE-2016-1371 since 01/04/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 93897 (ClamAV < 0.99.2 Multiple libclamav DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196590 (Ubuntu Security Notification for Clamav Vulnerabilities (USN-3093-1)).

Upgrading to version 0.99.2 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 Tenable (93897) and SecurityFocus (BID 93222†). The entries VDB-87696 and VDB-92305 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Anti-Malware Software

Vendor

ClamAV

Name

Antivirus

Version

License

free

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 93897
Nessus Name: ClamAV < 0.99.2 Multiple libclamav DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 55898
OpenVAS Name: ClamAV Crafted 7z And Mew Packer Parsing Denial of Service Vulnerabilities (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Antivirus 0.99.2

Timelineinfo

01/04/2016 🔍
05/03/2016 +120 days 🔍
09/29/2016 +149 days 🔍
10/03/2016 +4 days 🔍
10/03/2016 +0 days 🔍
10/04/2016 +1 days 🔍
10/06/2016 +2 days 🔍
09/21/2022 +2176 days 🔍

Sourcesinfo

Advisory: USN-3093-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-1371 (🔍)
GCVE (CVE): GCVE-0-2016-1371
GCVE (VulDB): GCVE-100-92304
SecurityFocus: 93222 - ClamAV CVE-2016-1371 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 10/04/2016 10:27
Updated: 09/21/2022 17:05
Changes: 10/04/2016 10:27 (65), 04/30/2019 12:56 (13), 09/21/2022 17:05 (4)
Complete: 🔍
Cache ID: 216:B9E:103

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