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CVE-2019-15690

Public on 2020-04-20
Modified on 2020-04-23
Description

A flaw was found in libvncserver. An integer overflow within the HandleCursorShape() function can be exploited to cause a heap-based buffer overflow by tricking a user or application using libvncserver to connect to an unstrusted server and subsequently send cursor shapes with specially crafted dimensions. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Severity
Important
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CVSS v3 Base Score
9.8
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Core libvncserver 2020-04-20 20:47 ALAS2-2020-1411

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H