Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2011-1775 | First vendor Publication | 2011-05-26 |
| Vendor | Cve | Last vendor Modification | 2024-11-21 |
Security-Database Scoring CVSS v3
| Cvss vector : N/A | |||
|---|---|---|---|
| Overall CVSS Score | NA | ||
| Base Score | NA | Environmental Score | NA |
| impact SubScore | NA | Temporal Score | NA |
| Exploitabality Sub Score | NA | ||
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:N/AC:M/Au:N/C:P/I:P/A:N) | |||
|---|---|---|---|
| Cvss Base Score | 5.8 | Attack Range | Network |
| Cvss Impact Score | 4.9 | Attack Complexity | Medium |
| Cvss Expoit Score | 8.6 | Authentication | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| The CSecurityTLS::processMsg function in common/rfb/CSecurityTLS.cxx in the vncviewer component in TigerVNC 1.1beta1 does not properly verify the server's X.509 certificate, which allows man-in-the-middle attackers to spoof a TLS VNC server via an arbitrary certificate. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1775 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-20 | Improper Input Validation |
OVAL Definitions
| Definition Id: oval:org.mitre.oval:def:21963 | |||
| Oval ID: | oval:org.mitre.oval:def:21963 | ||
| Title: | RHSA-2011:0871: tigervnc security update (Moderate) | ||
| Description: | The CSecurityTLS::processMsg function in common/rfb/CSecurityTLS.cxx in the vncviewer component in TigerVNC 1.1beta1 does not properly verify the server's X.509 certificate, which allows man-in-the-middle attackers to spoof a TLS VNC server via an arbitrary certificate. | ||
| Family: | unix | Class: | patch |
| Reference(s): | RHSA-2011:0871-01 CVE-2011-1775 | Version: | 4 |
| Platform(s): | Red Hat Enterprise Linux 6 | Product(s): | tigervnc |
| Definition Synopsis: | |||
| Definition Id: oval:org.mitre.oval:def:23428 | |||
| Oval ID: | oval:org.mitre.oval:def:23428 | ||
| Title: | ELSA-2011:0871: tigervnc security update (Moderate) | ||
| Description: | The CSecurityTLS::processMsg function in common/rfb/CSecurityTLS.cxx in the vncviewer component in TigerVNC 1.1beta1 does not properly verify the server's X.509 certificate, which allows man-in-the-middle attackers to spoof a TLS VNC server via an arbitrary certificate. | ||
| Family: | unix | Class: | patch |
| Reference(s): | ELSA-2011:0871-01 CVE-2011-1775 | Version: | 6 |
| Platform(s): | Oracle Linux 6 | Product(s): | tigervnc |
| Definition Synopsis: | |||
| |||
| Definition Id: oval:org.mitre.oval:def:28102 | |||
| Oval ID: | oval:org.mitre.oval:def:28102 | ||
| Title: | DEPRECATED: ELSA-2011-0871 -- tigervnc security update (moderate) | ||
| Description: | [1.0.90-0.15.20110314svn4359.1] - viewer can send password without proper validation of X.509 certs (CVE-2011-1775) | ||
| Family: | unix | Class: | patch |
| Reference(s): | ELSA-2011-0871 CVE-2011-1775 | Version: | 4 |
| Platform(s): | Oracle Linux 6 | Product(s): | tigervnc |
| Definition Synopsis: | |||
| |||
CPE : Common Platform Enumeration
| Type | Description | Count |
|---|---|---|
| Application | 1 |
OpenVAS Exploits
| Date | Description |
|---|---|
| 2012-06-06 | Name : RedHat Update for tigervnc RHSA-2011:0871-01 File : nvt/gb_RHSA-2011_0871-01_tigervnc.nasl |
| 2011-06-13 | Name : TigerVNC SSL Certificate Validation Security Bypass Vulnerability (Windows) File : nvt/gb_tigervnc_ssl_sec_bypass_vuln_win.nasl |
Open Source Vulnerability Database (OSVDB)
| Id | Description |
|---|---|
| 73119 | TigerVNC CSecurityTLS::processMsg Function common/rfb/CSecurityTLS.cxx X.509 ... |
Nessus® Vulnerability Scanner
| Date | Description |
|---|---|
| 2013-07-12 | Name : The remote Oracle Linux host is missing one or more security updates. File : oraclelinux_ELSA-2011-0871.nasl - Type : ACT_GATHER_INFO |
| 2012-08-01 | Name : The remote Scientific Linux host is missing one or more security updates. File : sl_20110615_tigervnc_on_SL6_x.nasl - Type : ACT_GATHER_INFO |
| 2011-06-16 | Name : The remote Red Hat host is missing one or more security updates. File : redhat-RHSA-2011-0871.nasl - Type : ACT_GATHER_INFO |
| 2011-05-25 | Name : The remote Fedora host is missing a security update. File : fedora_2011-6838.nasl - Type : ACT_GATHER_INFO |
Sources (Detail)
Alert History
| Date | Informations |
|---|---|
| 2024-11-28 23:05:07 |
|
| 2024-11-28 12:25:37 |
|
| 2023-02-13 05:28:34 |
|
| 2021-05-04 12:14:25 |
|
| 2021-04-22 01:15:41 |
|
| 2020-05-23 00:28:25 |
|
| 2016-04-26 20:44:14 |
|
| 2014-02-17 11:02:07 |
|
| 2013-05-10 22:59:42 |
|
