An issue was discovered in LibVNCServer through 0.9.11. rfbProcessClientNormalMessage() in rfbserver.c does not sanitize msg.cct.length, leading to access to uninitialized and potentially sensitive data or possibly unspecified other impact (e.g., an integer overflow) via specially crafted VNC packets.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | alpine-linux-upgrade-libvncserver | Aug 10, 2018 | Feb 19, 2018 | |
| Amazon Linux Ami 2 | amazon-linux-ami-2-upgrade-libvncserveramazon-linux-ami-2-upgrade-libvncserver-debuginfoamazon-linux-ami-2-upgrade-libvncserver-devel | Apr 27, 2020 | Feb 19, 2018 | |
| Centos_linux | — | centos-upgrade-libvncservercentos-upgrade-libvncserver-debuginfocentos-upgrade-libvncserver-devel | Jun 1, 2018 | Feb 19, 2018 |
| Debian | debian-upgrade-libvncserverdebian-upgrade-tightvncdebian-upgrade-vino | Jun 9, 2018 | Feb 19, 2018 | |
| Gentoo Linux | gentoo-linux-upgrade-net-libs-libvncserver | Aug 13, 2019 | Feb 19, 2018 | |
| Huawei Euleros 2_0_sp1 | huawei-euleros-2_0_sp1-upgrade-libvncserver | May 29, 2018 | Feb 19, 2018 | |
| Huawei Euleros 2_0_sp3 | huawei-euleros-2_0_sp3-upgrade-libvncserver | Jul 3, 2018 | Feb 19, 2018 | |
| Oracle_linux | — | oracle-linux-upgrade-libvncserveroracle-linux-upgrade-libvncserver-devel | Apr 19, 2018 | Feb 18, 2018 |
| Redhat_linux | no-fix-redhat-rpm-packageredhat-upgrade-libvncserverredhat-upgrade-libvncserver-debuginforedhat-upgrade-libvncserver-devel | Apr 11, 2018 | Feb 19, 2018 | |
| Suse | — | suse-upgrade-libvncclient0suse-upgrade-libvncserversuse-upgrade-libvncserver-develsuse-upgrade-libvncserver0 | Mar 28, 2018 | Feb 19, 2018 |
| Ubuntu | ubuntu-upgrade-italc-clientubuntu-upgrade-italc-masterubuntu-upgrade-libitalccoreubuntu-upgrade-libvncclient1ubuntu-upgrade-libvncserver0ubuntu-upgrade-libvncserver1ubuntu-upgrade-vino | Apr 25, 2018 | Feb 19, 2018 |
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