Vulnerability 50612 - CERT Civis.Net

Vulnerability Name:

CCN-50612

Published:

2009-05-18

Updated:

2009-05-18

Summary:

Multiple Avira AntiVir products could allow a remote attacker to bypass security restrictions, caused by a vulnerability in the file parsing engine. By sending a specially-crafted PDF file to a vulnerable system, a remote attacker could exploit this vulnerability to bypass scanning detection and possibly launch further attacks on the vulnerable system.

CVSS v3 Severity:

7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): Low

CVSS v2 Severity:

6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
5.0 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Athentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

Vulnerability Consequences:

Bypass Security

References:

Source: CCN
Type: Secdev - Thierry Zoller Blog
Advisory : Avira Antivir generic evasion (PDF):

Source: CCN
Type: Avira Web site
Avira Anti-Virus

Source: CCN
Type: OSVDB ID: 56042
Avira AntiVir Crafted PDF Container Heuristic Scan Bypass

Source: CCN
Type: BID-35008
Multiple Avira AntiVir Products PDF File Scan Evasion Vulnerability

Source: XF
Type: UNKNOWN
avira-pdf-security-bypass(50612)

Vulnerable Configuration:

Configuration CCN 1:

cpe:/a:avira:antivir_personal:*:*:*:*:*:*:*:*

OR cpe:/a:avira:antivir:-:-:premium:*:*:*:*:*

OR cpe:/a:avira:antivir_professional:*:*:*:*:*:*:*:*

Denotes that component is vulnerable

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