Vulnerability Name:

CVE-2006-6406 (CCN-31017)

Assigned:2006-12-09
Published:2006-12-09
Updated:2018-10-17
Summary:Clam AntiVirus (ClamAV) 0.88.6 allows remote attackers to bypass virus detection by inserting invalid characters into base64 encoded content in a multipart/mixed MIME file, as demonstrated with the EICAR test file.
CVSS v3 Severity:5.6 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
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:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
3.7 Low (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.1 Medium (CCN CVSS v2 Vector: AV:N/AC:H/Au:N/C:P/I:P/A:P)
3.8 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:H/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-Other
Vulnerability Consequences:Bypass Security
References:Source: CCN
Type: BugTraq Mailing List, Wed Dec 06 2006 - 08:24:25 CST
Multiple Vendor Unusual MIME Encoding Content Filter Bypass

Source: MITRE
Type: CNA
CVE-2006-6405

Source: MITRE
Type: CNA
CVE-2006-6406

Source: MITRE
Type: CNA
CVE-2006-6407

Source: MITRE
Type: CNA
CVE-2006-6408

Source: MITRE
Type: CNA
CVE-2006-6409

Source: CONFIRM
Type: UNKNOWN
http://kolab.org/security/kolab-vendor-notice-14.txt

Source: SECUNIA
Type: UNKNOWN
23362

Source: SECUNIA
Type: UNKNOWN
23379

Source: SECUNIA
Type: UNKNOWN
23411

Source: CCN
Type: SA23460
Kolab Server ClamAV Denial of Service Vulnerability

Source: SECUNIA
Type: UNKNOWN
23460

Source: CCN
Type: SourceForge.net: Files
Clam AntiVirus - File Release Notes and Changelog - Release Name: 0.88.7

Source: DEBIAN
Type: UNKNOWN
DSA-1238

Source: DEBIAN
Type: DSA-1238
clamav -- several vulnerabilities

Source: MANDRIVA
Type: UNKNOWN
MDKSA-2006:230

Source: SUSE
Type: UNKNOWN
SUSE-SA:2006:078

Source: CCN
Type: OSVDB ID: 31284
Clam AntiVirus Invalid Base64 MIME Scanning Bypass

Source: CCN
Type: OSVDB ID: 31285
BitDefender Mail Protection Invalid Base64 MIME Scanning Bypass

Source: CCN
Type: OSVDB ID: 31288
Frisk F-PROT Antivirus Invalid Base64 MIME Scanning Bypass

Source: CCN
Type: OSVDB ID: 31290
Kaspersky Anti-Virus Invalid Base64 MIME Scanning Bypass

Source: CCN
Type: OSVDB ID: 31292
F-Secure Anti-Virus Invalid Base64 MIME Scanning Bypass

Source: MISC
Type: Exploit, Vendor Advisory
http://www.quantenblog.net/security/virus-scanner-bypass

Source: BUGTRAQ
Type: UNKNOWN
20061206 Multiple Vendor Unusual MIME Encoding Content Filter Bypass

Source: BID
Type: UNKNOWN
21461

Source: CCN
Type: BID-21461
Multiple Security Products MIME Encoding Content Filter Bypass Weakness

Source: VUPEN
Type: UNKNOWN
ADV-2006-4948

Source: VUPEN
Type: UNKNOWN
ADV-2006-5113

Source: XF
Type: UNKNOWN
multiple-mime-security-bypass(31017)

Source: SUSE
Type: SUSE-SA:2006:078
clamav security update

Vulnerable Configuration:Configuration 1:
  • cpe:/a:clam_anti-virus:clamav:0.88.6:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20066406
    V
    CVE-2006-6406
    2015-11-16
    oval:org.debian:def:1238
    V
    several vulnerabilities
    2006-12-17
    BACK
    clam_anti-virus clamav 0.88.6