Clam Antivirus up to 0.98.6 petite Packer File resource management

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.
4.6	$0-$5k	0.00

A vulnerability classified as problematic was found in Clam Antivirus up to 0.98.6 (Anti-Malware Software). Affected by this vulnerability is an unknown function of the component petite Packer File Handler. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:

ClamAV before 0.98.7 allows remote attackers to cause a denial of service (crash) via a crafted petite packed file.

The weakness was disclosed 04/29/2015 by Sebastian Andrzej Siewior as ClamAV 0.98.7 has been released! as confirmed release notes (Blog). It is possible to read the advisory at blog.clamav.net. The public release has been coordinated in cooperation with Clam. This vulnerability is known as CVE-2015-2222 since 03/05/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 83976 (Amazon Linux AMI : clamav (ALAS-2015-537)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350165 (Amazon Linux Security Advisory for clamav: ALAS-2015-537).

Upgrading to version 0.98.7 eliminates this vulnerability. The upgrade is hosted for download at clamav.net. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (102869) and Tenable (83976). The entries 75183, 75184, 75185 and 75186 are pretty similar.

Productinfo

Type

Anti-Malware Software

Vendor

Clam

Name

Antivirus

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
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: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 83976
Nessus Name: Amazon Linux AMI : clamav (ALAS-2015-537)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 800596
OpenVAS Name: ClamAV Multiple Denial of Service Vulnerabilities August15 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Antivirus 0.98.7

Timelineinfo

01/01/2014 🔍
03/05/2015 +428 days 🔍
04/29/2015 +55 days 🔍
04/29/2015 +0 days 🔍
05/03/2015 +4 days 🔍
05/04/2015 +1 days 🔍
05/04/2015 +0 days 🔍
05/12/2015 +8 days 🔍
05/14/2015 +2 days 🔍
05/10/2022 +2553 days 🔍

Sourcesinfo

Advisory: ClamAV 0.98.7 has been released!
Researcher: Sebastian Andrzej Siewior
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2015-2222 (🔍)
X-Force: 102869 - ClamAV petite-packed files denial of service
SecurityTracker: 1032223 - Clam AntiVirus Multiple File Processing Flaws Let Remote Users Deny Service
Vulnerability Center: 50158 - ClamAV before 0.98.7 Remote DoS via a Crafted Petite Packed File, Medium
SecurityFocus: 74443 - ClamAV Multiple Denial of Service Vulnerabilities

See also: 🔍

Entryinfo

Created: 05/04/2015 16:20
Updated: 05/10/2022 09:04
Changes: 05/04/2015 16:20 (81), 06/28/2017 06:40 (4), 05/10/2022 09:04 (3)
Complete: 🔍