LibVNCServer 0.9.12 release and earlier contains heap buffer overflow vulnerability within the HandleCursorShape() function in libvncclient/cursor.c. An attacker sends cursor shapes with specially crafted dimensions, which can result in remote code execution.
CVSS Details
- CVSS 3.1 Base Score: 8.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | amazon-linux-ami-2-upgrade-libvncserveramazon-linux-ami-2-upgrade-libvncserver-debuginfoamazon-linux-ami-2-upgrade-libvncserver-devel | May 1, 2020 | May 1, 2020 | |
| Centos_linux | — | centos-upgrade-libvncservercentos-upgrade-libvncserver-debuginfocentos-upgrade-libvncserver-debugsourcecentos-upgrade-libvncserver-devel | Mar 24, 2020 | Mar 23, 2020 |
| Debian | debian-upgrade-libvncserver | Mar 19, 2020 | Mar 19, 2020 | |
| Oracle Solaris | oracle-solaris-11-4-upgrade-desktop-remote-desktop-tigervnc-1-10-1-11-4-21-0-1-69-0oracle-solaris-11-4-upgrade-x11-server-xvnc-1-10-1-11-4-21-0-1-69-0 | Jan 19, 2021 | Jan 19, 2021 | |
| Oracle_linux | — | oracle-linux-upgrade-libvncserveroracle-linux-upgrade-libvncserver-devel | Mar 25, 2020 | Dec 20, 2019 |
| Redhat_linux | redhat-upgrade-libvncserverredhat-upgrade-libvncserver-debuginforedhat-upgrade-libvncserver-debugsourceredhat-upgrade-libvncserver-devel | Mar 24, 2020 | Mar 23, 2020 | |
| Suse | — | suse-upgrade-libvncclient0suse-upgrade-libvncserversuse-upgrade-libvncserver-develsuse-upgrade-libvncserver0 | May 7, 2020 | Mar 23, 2020 |
| Ubuntu | ubuntu-upgrade-libvncclient1ubuntu-upgrade-libvncserver1 | Aug 5, 2020 | Mar 23, 2020 |
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