Vulnerability Name:

CVE-2017-6417 (CCN-123582)

Assigned:2017-03-21
Published:2017-03-21
Updated:2019-10-03
Summary:Code injection vulnerability in Avira Total Security Suite 15.0 (and earlier), Optimization Suite 15.0 (and earlier), Internet Security Suite 15.0 (and earlier), and Free Security Suite 15.0 (and earlier) allows a local attacker to bypass a self-protection mechanism, inject arbitrary code, and take full control of any Avira process via a "DoubleAgent" attack. One perspective on this issue is that (1) these products do not use the Protected Processes feature, and therefore an attacker can enter an arbitrary Application Verifier Provider DLL under Image File Execution Options in the registry; (2) the self-protection mechanism is intended to block all local processes (regardless of privileges) from modifying Image File Execution Options for these products; and (3) this mechanism can be bypassed by an attacker who temporarily renames Image File Execution Options during the attack.
CVSS v3 Severity:6.7 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
6.1 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
10.0 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
9.1 Critical (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-427
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2017-6417

Source: MISC
Type: Third Party Advisory
http://cybellum.com/doubleagent-taking-full-control-antivirus/

Source: MISC
Type: Technical Description, Third Party Advisory
http://cybellum.com/doubleagentzero-day-code-injection-and-persistence-technique/

Source: BID
Type: Third Party Advisory, VDB Entry
97021

Source: CCN
Type: BID-97021
Multiple Avira Products CVE-2017-6417 DLL Loading Local Code Injection Vulnerability

Source: CCN
Type: Cybellum Web site
DoubleAgent: Zero-Day Code Injection and Persistence Technique

Source: XF
Type: UNKNOWN
avira-cve20176417-code-exec(123582)

Source: CCN
Type: Avira Web site
Avira - Antivirus made in Germany

Vulnerable Configuration:Configuration 1:
  • cpe:/a:avira:free_security_suite:*:*:*:*:*:*:*:* (Version <= 15.0)
  • OR cpe:/a:avira:internet_security_suite:*:*:*:*:*:*:*:* (Version <= 15.0)
  • OR cpe:/a:avira:optimization_suite:*:*:*:*:*:*:*:* (Version <= 15.0)
  • OR cpe:/a:avira:total_security_suite:*:*:*:*:*:*:*:* (Version <= 15.0)

  • Configuration CCN 1:
  • cpe:/a:avira:total_security_suite:15.0:*:*:*:*:*:*:*
  • OR cpe:/a:avira:optimization_suite:15.0:*:*:*:*:*:*:*
  • OR cpe:/a:avira:internet_security_suite:15.0:*:*:*:*:*:*:*
  • OR cpe:/a:avira:free_security_suite:15.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    avira free security suite *
    avira internet security suite *
    avira optimization suite *
    avira total security suite *
    avira total security suite 15.0
    avira optimization suite 15.0
    avira internet security suite 15.0
    avira free security suite 15.0