CVE-2016-5673: High severity ultravnc vulnerability
UltraVNC Repeater before 1300 does not restrict destination IP addresses or TCP ports, which allows remote attackers to obtain open-proxy functionality by using a :: substring in between the IP address and port number.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2016-5673?
CVE-2016-5673 is classified as a medium severity vulnerability due to its potential for exposing systems to unauthorized proxy access.
How do I fix CVE-2016-5673?
To fix CVE-2016-5673, upgrade UltraVNC Repeater to version 1300 or later, which includes necessary restrictions on destination IP addresses and TCP ports.
What types of attacks can exploit CVE-2016-5673?
CVE-2016-5673 can be exploited by remote attackers to establish open-proxy functionality through malformed IP address and port configurations.
What are the potential impacts of CVE-2016-5673?
The potential impacts of CVE-2016-5673 include unauthorized access to internal networks and the ability to use the vulnerable machine as a proxy.
Which versions of UltraVNC are affected by CVE-2016-5673?
CVE-2016-5673 affects UltraVNC Repeater versions prior to 1300.