PT-2019-5744
CVE-2019-15680
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Published
2019-10-29
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Updated
2020-12-09
Description by
CVSS 3.1
7.5
HighMetricsAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions
TightVNC version 1.3.10
Description
The issue is related to a null pointer dereference in the
HandleZlibBPP function, which can result in a Denial of System (DoS). This can be exploited via network connectivity, potentially allowing a remote attacker to cause a service disruption.Recommendations
For TightVNC version 1.3.10, consider disabling the
HandleZlibBPP function as a temporary workaround until a patch is available. Restrict access to the network to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability. Found an issue in the description? Have something to add? Feel free to write us 👾