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 | — | Upgrade libvncserverUpgrade libvncserver-debuginfoUpgrade libvncserver-devel | May 1, 2020 | May 1, 2020 |
| Centos_linux | — | Upgrade libvncserver-debuginfoUpgrade libvncserverUpgrade libvncserver-debugsourceUpgrade libvncserver-devel | Mar 24, 2020 | Mar 23, 2020 |
| Debian | — | Upgrade libvncserver | Mar 19, 2020 | Mar 19, 2020 |
| Oracle Solaris | — | Upgrade desktop/remote-desktop/tigervnc to version 1.10.1-11.4.21.0.1.69.0 on Solaris 11.4Upgrade x11/server/xvnc to version 1.10.1-11.4.21.0.1.69.0 on Solaris 11.4 | Jan 19, 2021 | Jan 19, 2021 |
| Oracle_linux | — | Upgrade libvncserver-develUpgrade libvncserver | Mar 25, 2020 | Dec 20, 2019 |
| Redhat_linux | — | Upgrade libvncserver-debugsourceUpgrade libvncserverNo solution existsUpgrade libvncserver-develUpgrade libvncserver-debuginfo | Mar 24, 2020 | Mar 23, 2020 |
| Suse | — | Upgrade libvncclient0Upgrade LibVNCServerUpgrade libvncserver0Upgrade LibVNCServer-devel | May 7, 2020 | Mar 23, 2020 |
| Ubuntu | — | Upgrade libvncserver1Upgrade libvncclient1 | Aug 5, 2020 | Mar 23, 2020 |
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