Cisco ClamAV up to 0.99.3 clamscan libclamav/pdfng.c PDF File out-of-bounds

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.
5.3	$0-$5k	0.00

A vulnerability classified as problematic was found in Cisco ClamAV up to 0.99.3 (Anti-Malware Software). Affected by this vulnerability is an unknown part of the file libclamav/pdfng.c of the component clamscan. The manipulation as part of a PDF File leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability.

The bug was discovered 03/16/2018. The weakness was released 03/27/2018 with Qihoo 360 Vulcan Team (Website). It is possible to read the advisory at lists.debian.org. This vulnerability is known as CVE-2018-0202 since 11/27/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 108415 (Debian DLA-1307-1 : clamav security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197076 (Ubuntu Security Notification for Clamav Vulnerabilities (USN-3592-1)).

Upgrading to version 0.99.4 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (108415). Entries connected to this vulnerability are available at 110554, 113070, 113073 and 114085.

Productinfo

Type

Anti-Malware Software

Vendor

Cisco

Name

ClamAV

Version

License

free

Support

end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

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: Out-of-bounds
CWE: CWE-125 / CWE-119
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: 108415
Nessus Name: Debian DLA-1307-1 : clamav security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802808
OpenVAS Name: Debian LTS Advisory ([SECURITY] [DLA 1307-1] clamav security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ClamAV 0.99.4

Timelineinfo

11/27/2017 🔍
03/16/2018 +109 days 🔍
03/16/2018 +0 days 🔍
03/19/2018 +3 days 🔍
03/27/2018 +8 days 🔍
03/27/2018 +0 days 🔍
03/28/2018 +1 days 🔍
04/10/2018 +13 days 🔍
02/24/2023 +1781 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: USN-3592-1
Researcher: Yuki Chen
Organization: Qihoo 360 Vulcan Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-0202 (🔍)
SecurityFocus: 103603 - Microsoft Internet Explorer Scripting Engine CVE-2018-1000 Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 03/28/2018 09:08 AM
Updated: 02/24/2023 11:58 AM
Changes: 03/28/2018 09:08 AM (77), 06/08/2020 06:02 PM (5), 02/06/2021 09:55 AM (3), 02/24/2023 11:58 AM (3)
Complete: 🔍