PT-2006-3181 · Ultravnc · Ultravnc

Published 2006-05-05 · Updated 2017-07-20 · CVE-2006-2206

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions UltraVNC version 1.0.1

Description The issue concerns the MS-Logon authentication scheme in UltraVNC, which utilizes weak encryption (XOR) for challenge/response. This weakness allows remote attackers to gain privileges by sniffing and decrypting passwords.

Recommendations For UltraVNC version 1.0.1, consider disabling the MS-Logon authentication scheme until a patch or secure alternative is available. Restrict access to sensitive resources to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Related Identifiers

CVE-2006-2206

Affected Products

Ultravnc

References · 4

• 🔥 http://securityfocus.com/bid/17824 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2006-2206 · Security Note
• http://archives.neohapsis.com/archives/bugtraq/2006-05/0057.html · Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/26283 · Note