Vulnerability Name:

CVE-2002-0971 (CCN-9979)

Assigned:2002-08-20
Published:2002-08-20
Updated:2016-10-18
Summary:Vulnerability in VNC, TightVNC, and TridiaVNC allows local users to execute arbitrary code as LocalSystem by using the Win32 Messaging System to bypass the VNC GUI and access the "Add new clients" dialogue box.
CVSS v3 Severity:5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Exploitability Metrics:Attack Vector (AV): Local
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:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-Other
Vulnerability Consequences:Gain Privileges
References:Source: CCN
Type: BugTraq Mailing List, Tue Aug 20 2002 - 21:55:40 CDT
Win32 API 'shatter' vulnerability found in VNC-based products

Source: MITRE
Type: CNA
CVE-2002-0971

Source: BUGTRAQ
Type: UNKNOWN
20020821 Win32 API 'shatter' vulnerability found in VNC-based products

Source: XF
Type: UNKNOWN
vnc-win32-messaging-privileges(9979)

Source: CCN
Type: OSVDB ID: 6277
TightVNC / TridiaVNC Win32 Messaging System Command Execution

Source: BID
Type: UNKNOWN
5530

Source: CCN
Type: BID-5530
Multiple VNC Products For Windows Win32 Messaging API Vulnerability

Source: CCN
Type: AT&T Laboratories Cambridge Web site
Virtual Network Computing

Source: XF
Type: UNKNOWN
vnc-win32-messaging-privileges(9979)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:att:winvnc_server:3.3.3_r7:*:*:*:*:*:*:*
  • OR cpe:/a:att:winvnc_server:*:*:*:*:*:*:*:* (Version <= 3.3.3_r9)
  • OR cpe:/a:tightvnc:tightvnc:1.2.0:*:*:*:*:*:*:*
  • OR cpe:/a:tightvnc:tightvnc:1.2.1:*:*:*:*:*:*:*
  • OR cpe:/a:tightvnc:tightvnc:1.2.5:*:*:*:*:*:*:*
  • OR cpe:/a:tridia:tridiavnc:1.5:*:*:*:*:*:*:*
  • OR cpe:/a:tridia:tridiavnc:1.5.1:*:*:*:*:*:*:*
  • OR cpe:/a:tridia:tridiavnc:1.5.2:*:*:*:*:*:*:*
  • OR cpe:/a:tridia:tridiavnc:1.5.4:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:tightvnc:tightvnc:1.2.5:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    att winvnc server 3.3.3_r7
    att winvnc server *
    tightvnc tightvnc 1.2.0
    tightvnc tightvnc 1.2.1
    tightvnc tightvnc 1.2.5
    tridia tridiavnc 1.5
    tridia tridiavnc 1.5.1
    tridia tridiavnc 1.5.2
    tridia tridiavnc 1.5.4
    tightvnc tightvnc 1.2.5