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.
5.1	$0-$5k	0.00

A vulnerability, which was classified as problematic, was found in Clam Antivirus up to 0.98.6 (Anti-Malware Software). This affects some unknown functionality of the component UPX Archive Handler. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:

The upx decoder in ClamAV before 0.98.7 allows remote attackers to cause a denial of service (crash) via a crafted file.

The weakness was shared 04/29/2015 by Sebastian Andrzej Siewior as ClamAV 0.98.7 has been released! as confirmed release notes (Blog). The advisory is shared at blog.clamav.net. The vendor cooperated in the coordination of the public release. This vulnerability is uniquely identified as CVE-2015-2170 since 03/01/2015. 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.

The vulnerability scanner Nessus provides a plugin with the ID 83255 (Ubuntu 12.04 LTS / 14.04 LTS / 14.10 / 15.04 : clamav vulnerabilities (USN-2594-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu 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. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 19891.

The vulnerability is also documented in the vulnerability database at Tenable (83255). The entries 74064, 74065, 75183 and 75184 are related to this item.

Productinfo

Type

• Anti-Malware Software

Vendor

• Clam

Name

• Antivirus

Version

• 0.98.0
• 0.98.1
• 0.98.2
• 0.98.3
• 0.98.4
• 0.98.5
• 0.98.6

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: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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
ATT&CK: Unknown

Local: No
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: 83255
Nessus Name: Ubuntu 12.04 LTS / 14.04 LTS / 14.10 / 15.04 : clamav vulnerabilities (USN-2594-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: ALAS-2015-537
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
TippingPoint: 🔍
Fortigate IPS: 🔍

Timelineinfo

01/01/2014 🔍
02/04/2015 +399 days 🔍
03/01/2015 +25 days 🔍
04/29/2015 +59 days 🔍
04/29/2015 +0 days 🔍
05/04/2015 +5 days 🔍
05/04/2015 +0 days 🔍
05/06/2015 +2 days 🔍
05/12/2015 +6 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-2015-2170 (🔍)
SecurityTracker: 1032223 - Clam AntiVirus Multiple File Processing Flaws Let Remote Users Deny Service
Vulnerability Center: 50161 - ClamAV before 0.98.7 Remote DoS via a Crafted File, Medium
SecurityFocus: 72611 - Henry Spencer Regex Library 'regcomp.c' Heap Overflow Vulnerability

See also: 🔍

Entryinfo

Created: 05/04/2015 16:20
Updated: 05/10/2022 09:13
Changes: 05/04/2015 16:20 (70), 09/08/2017 09:20 (16), 05/10/2022 09:13 (3)
Complete: 🔍

Discussion

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