CVE-2018-7225
Critical
Description
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.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Libvncserver
PublishedFeb 19, 2018
First seenFeb 19, 2018
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| libvncserver_project libvncserver | v ≤ 0.9.11 | — |
| debian debian_linux | 7.0, 8.0, 9.0 | — |
| canonical ubuntu_linux | 14.04, 16.04, 17.10 | — |
| redhat enterprise_linux_desktop | 7.0 | — |
| redhat enterprise_linux_server | 7.0 | — |
| redhat enterprise_linux_server_aus | 7.6 | — |
| redhat enterprise_linux_server_eus | 7.5, 7.6 | — |
| redhat enterprise_linux_server_tus | 7.6 | — |
| redhat enterprise_linux_workstation | 7.0 | — |
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