TightVNC 1.3.10 vncviewer rfbproto.c InitialiseRFBConnection heap-based overflow

Summaryinfo

A vulnerability labeled as critical has been found in TightVNC 1.3.10. Affected by this issue is the function InitialiseRFBConnection of the file rfbproto.c of the component vncviewer. Executing a manipulation can lead to heap-based overflow. This vulnerability appears as CVE-2022-23967. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in TightVNC 1.3.10. It has been declared as critical. This vulnerability affects the function InitialiseRFBConnection of the file rfbproto.c of the component vncviewer. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 01/27/2022. The advisory is available at github.com. This vulnerability was named CVE-2022-23967 since 01/26/2022. Technical details are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

• TightVNC

Version

• 1.3.10

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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