CVE-2006-2369

critical

Description

RealVNC 4.1.1, and other products that use RealVNC such as AdderLink IP and Cisco CallManager, allows remote attackers to bypass authentication via a request in which the client specifies an insecure security type such as "Type 1 - None", which is accepted even if it is not offered by the server, as originally demonstrated using a long password.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/26445

http://www.vupen.com/english/advisories/2006/2492

http://www.vupen.com/english/advisories/2006/1821

http://www.vupen.com/english/advisories/2006/1790

http://www.securityfocus.com/bid/17978

http://www.securityfocus.com/archive/1/438368/100/0/threaded

http://www.securityfocus.com/archive/1/438175/100/0/threaded

http://www.securityfocus.com/archive/1/434560/100/0/threaded

http://www.securityfocus.com/archive/1/434518/100/0/threaded

http://www.securityfocus.com/archive/1/434117/100/0/threaded

http://www.securityfocus.com/archive/1/434015/100/0/threaded

http://www.securityfocus.com/archive/1/433994/100/0/threaded

http://www.realvnc.com/products/free/4.1/release-notes.html

http://www.osvdb.org/25479

http://www.openwall.com/lists/oss-security/2024/08/02/8

http://www.kb.cert.org/vuls/id/117929

http://www.intelliadmin.com/blog/2006/05/vnc-flaw-proof-of-concept.html

http://www.intelliadmin.com/blog/2006/05/security-flaw-in-realvnc-411.html

http://www.cisco.com/warp/public/707/cisco-sr-20060622-cmm.shtml

http://securitytracker.com/id?1016083

http://securityreason.com/securityalert/8355

http://secunia.com/advisories/20789

http://secunia.com/advisories/20109

http://secunia.com/advisories/20107

http://seclists.org/fulldisclosure/2022/May/29

http://marc.info/?l=vnc-list&m=114755444130188&w=2

http://marc.info/?l=full-disclosure&m=114768344111131&w=2

Details

Source: Mitre, NVD

Published: 2006-05-15

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical