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

Summaryinfo

A vulnerability was found in ClamAV up to 0.93. It has been rated as problematic. This impacts an unknown function of the component CHM Archive Handler. The manipulation leads to resource management. This vulnerability is referenced as CVE-2008-1389. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in ClamAV up to 0.93 (Anti-Malware Software). It has been rated as critical. This issue affects an unknown function of the component CHM Archive Handler. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

libclamav/chmunpack.c in the chm-parser in ClamAV before 0.94 allows remote attackers to cause a denial of service (application crash) via a malformed CHM file, related to an "invalid memory access."

The weakness was published 09/03/2008 by Hanno Böck (Website). It is possible to read the advisory at int21.de. The identification of this vulnerability is CVE-2008-1389 since 03/18/2008. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 34299 (GLSA-200809-18 : ClamAV: Multiple Denials of Service), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115983 (Apple Mac OS X Security Update 2008-007 Not Installed (APPLE-SA-2008-10-09)).

Upgrading to version 0.94 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at svn.clamav.net. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 8885.

The vulnerability is also documented in the databases at X-Force (44875), Tenable (34299), SecurityFocus (BID 30994†), OSVDB (47881†) and Secunia (SA32699†). Similar entries are available at VDB-3693, VDB-3694, VDB-40487 and VDB-40486. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Anti-Malware Software

Name

• ClamAV

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15
• 0.16
• 0.17
• 0.18
• 0.19
• 0.20
• 0.21
• 0.22
• 0.23
• 0.24
• 0.25
• 0.26
• 0.27
• 0.28
• 0.29
• 0.30
• 0.31
• 0.32
• 0.33
• 0.34
• 0.35
• 0.36
• 0.37
• 0.38
• 0.39
• 0.40
• 0.41
• 0.42
• 0.43
• 0.44
• 0.45
• 0.46
• 0.47
• 0.48
• 0.49
• 0.50
• 0.51
• 0.52
• 0.53
• 0.54
• 0.55
• 0.56
• 0.57
• 0.58
• 0.59
• 0.60
• 0.61
• 0.62
• 0.63
• 0.64
• 0.65
• 0.66
• 0.67
• 0.68
• 0.69
• 0.70
• 0.71
• 0.72
• 0.73
• 0.74
• 0.75
• 0.76
• 0.77
• 0.78
• 0.79
• 0.80
• 0.81
• 0.82
• 0.83
• 0.84
• 0.85
• 0.86
• 0.87
• 0.88
• 0.89
• 0.90
• 0.91
• 0.92
• 0.93

License

• free

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

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: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Nessus ID: 34299
Nessus Name: GLSA-200809-18 : ClamAV: Multiple Denials of Service
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 61615
OpenVAS Name: FreeBSD Ports: clamav
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: ClamAV 0.94
Patch: svn.clamav.net
TippingPoint: 🔍
ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍

Timelineinfo

03/18/2008 🔍
09/02/2008 +168 days 🔍
09/03/2008 +0 days 🔍
09/03/2008 +0 days 🔍
09/03/2008 +0 days 🔍
09/03/2008 +0 days 🔍
09/04/2008 +0 days 🔍
09/07/2008 +3 days 🔍
09/12/2008 +5 days 🔍
09/19/2008 +7 days 🔍
09/26/2008 +7 days 🔍
11/14/2008 +49 days 🔍
03/16/2021 +4505 days 🔍

Sourcesinfo

Advisory: int21.de
Researcher: Hanno Böck
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-1389 (🔍)
GCVE (CVE): GCVE-0-2008-1389
GCVE (VulDB): GCVE-100-3815
X-Force: 44875
SecurityFocus: 30994
Secunia: 32699 - Fedora update for clamav, Moderately Critical
OSVDB: 47881 - ClamAV libclamav/chmunpack.c Crafted CHM File Handling DoS
SecurityTracker: 1020805 - Clam AntiVirus CHM Unpacking Bug Lets Remote Users Deny Service
Vulnerability Center: 19370 - Clam AntiVirus Vulnerability Allows Remote Attackers to Cause DoS via a Malformed CHM file, Medium
Vupen: ADV-2008-2564

See also: 🔍

Entryinfo

Created: 09/19/2008 13:23
Updated: 03/16/2021 19:06
Changes: 09/19/2008 13:23 (89), 05/10/2019 18:15 (10), 03/16/2021 19:00 (3), 03/16/2021 19:06 (1)
Complete: 🔍
Cache ID: 216:CAC:103

Discussion

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