Vulnerability Name:

CVE-2018-16758 (CCN-151290)

Assigned:2018-10-08
Published:2018-10-08
Updated:2022-10-25
Summary:Missing message authentication in the meta-protocol in Tinc VPN version 1.0.34 and earlier allows a man-in-the-middle attack to disable the encryption of VPN packets.
CVSS v3 Severity:5.9 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
5.2 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
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): None
Availibility (A): None
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
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): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-306
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2018-16758

Source: CCN
Type: tinc Web site
tinc

Source: CONFIRM
Type: Vendor Advisory
http://tinc-vpn.org/security/

Source: CONFIRM
Type: Mailing List, Vendor Advisory
http://www.tinc-vpn.org/git/browse?p=tinc;a=commit;h=e97943b7cc9c851ae36f5a41e2b6102faa74193f

Source: XF
Type: UNKNOWN
tinc-cve201816758-sec-bypass(151290)

Source: DEBIAN
Type: Third Party Advisory
DSA-4312

Source: MISC
Type: Third Party Advisory
https://www.starwindsoftware.com/security/sw-20190227-0003/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:tinc-vpn:tinc:*:*:*:*:*:*:*:* (Version <= 1.0.34)

    • Configuration 2:
  • cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/a:starwindsoftware:starwind_virtual_san:v8:build12533:*:*:*:vsphere:*:*
  • OR cpe:/a:starwindsoftware:starwind_virtual_san:v8:build12658:*:*:*:vsphere:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:113525
    P
    		tinc-1.0.36-1.9 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:106921
    P
    		tinc-1.0.36-1.9 on GA media (Moderate)
    2021-10-01
    oval:com.ubuntu.disco:def:2018167580000000
    V
    		CVE-2018-16758 on Ubuntu 19.04 (disco) - medium.
    2018-10-10
    oval:com.ubuntu.bionic:def:201816758000
    V
    		CVE-2018-16758 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-10-10
    oval:com.ubuntu.cosmic:def:2018167580000000
    V
    		CVE-2018-16758 on Ubuntu 18.10 (cosmic) - medium.
    2018-10-10
    oval:com.ubuntu.cosmic:def:201816758000
    V
    		CVE-2018-16758 on Ubuntu 18.10 (cosmic) - medium.
    2018-10-10
    oval:com.ubuntu.bionic:def:2018167580000000
    V
    		CVE-2018-16758 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-10-10
    oval:com.ubuntu.trusty:def:201816758000
    V
    		CVE-2018-16758 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-10-10
    oval:com.ubuntu.xenial:def:2018167580000000
    V
    		CVE-2018-16758 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-10-10
    oval:com.ubuntu.xenial:def:201816758000
    V
    		CVE-2018-16758 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-10-10
    BACK
    tinc-vpn tinc *
    debian debian linux 9.0
    starwindsoftware starwind virtual san v8 build12533
    starwindsoftware starwind virtual san v8 build12658