Summaryinfo

A vulnerability was found in TightVNC 1.3.10 and classified as critical. This issue affects the function InitialiseRFBConnection. The manipulation leads to out-of-bounds write. The identification of this vulnerability is CVE-2019-15679. The attack may be initiated remotely. There is no exploit available. Once again VulDB remains the best source for vulnerability data.

Detailsinfo

A vulnerability has been found in TightVNC 1.3.10 and classified as critical. This vulnerability affects the function InitialiseRFBConnection. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

TightVNC code version 1.3.10 contains heap buffer overflow in InitialiseRFBConnection function, which can potentially result code execution. This attack appear to be exploitable via network connectivity.

The weakness was presented 10/29/2019 (oss-sec). The advisory is available at openwall.com. This vulnerability was named CVE-2019-15679 since 08/27/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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.

See VDB-144417, VDB-144419 and VDB-144448 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

• TightVNC

Version

• 1.3.10

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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