Vulnerability Name:

CVE-2017-12166

Assigned:2017-08-01
Published:2017-10-03
Updated:2017-10-12
Summary:OpenVPN versions before 2.3.3 and 2.4.x before 2.4.4 are vulnerable to a buffer overflow vulnerability when key-method 1 is used, possibly resulting in code execution.
CVSS v3 Severity:8.1 High (CVSS v3 Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
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): High
Integrity (I): High
Availibility (A): High
5.6 Medium (CCN CVSS v3 Vector: CVSS:3.0/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:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-119
References:Source: BID
Type: VENDOR_ADVISORY
101153

Source: SECTRACK
Type: VENDOR_ADVISORY
1039470

Source: MISC
Type: VENDOR_ADVISORY
https://community.openvpn.net/openvpn/wiki/CVE-2017-12166

Vulnerable Configuration:Configuration 1:
  • cpe:/a:openvpn:openvpn:2.3.2:*:*:*:*:*:*:*
  • OR cpe:/a:openvpn:openvpn:2.4.0:*:*:*:*:*:*:*
  • OR cpe:/a:openvpn:openvpn:2.4.0:alpha2:*:*:*:*:*:*
  • OR cpe:/a:openvpn:openvpn:2.4.0:beta1:*:*:*:*:*:*
  • OR cpe:/a:openvpn:openvpn:2.4.0:beta2:*:*:*:*:*:*
  • OR cpe:/a:openvpn:openvpn:2.4.0:rc1:*:*:*:*:*:*
  • OR cpe:/a:openvpn:openvpn:2.4.0:rc2:*:*:*:*:*:*
  • OR cpe:/a:openvpn:openvpn:2.4.1:*:*:*:*:*:*:*
  • OR cpe:/a:openvpn:openvpn:2.4.2:*:*:*:*:*:*:*
  • OR cpe:/a:openvpn:openvpn:2.4.3:*:*:*:*:*:*:*

  • Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.trusty:def:201712166000
    V
    CVE-2017-12166 on Ubuntu 14.04 LTS (trusty) - low.
    2017-10-03
    oval:com.ubuntu.xenial:def:201712166000
    V
    CVE-2017-12166 on Ubuntu 16.04 LTS (xenial) - low.
    2017-10-03
    BACK
    openvpn openvpn 2.3.2
    openvpn openvpn 2.4.0
    openvpn openvpn 2.4.0 alpha2
    openvpn openvpn 2.4.0 beta1
    openvpn openvpn 2.4.0 beta2
    openvpn openvpn 2.4.0 rc1
    openvpn openvpn 2.4.0 rc2
    openvpn openvpn 2.4.1
    openvpn openvpn 2.4.2
    openvpn openvpn 2.4.3