| Name | CVE-2018-7225 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1332-1, DLA-1979-1, DLA-2014-1, DLA-2045-1, DSA-4221-1 |
| Debian Bugs | 894045, 945784 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libvncserver (PTS) | buster | 0.9.11+dfsg-1.3+deb10u4 | fixed |
| buster (security) | 0.9.11+dfsg-1.3+deb10u5 | fixed | |
| bullseye | 0.9.13+dfsg-2+deb11u1 | fixed | |
| bookworm, sid, trixie | 0.9.14+dfsg-1 | fixed | |
| tightvnc (PTS) | buster | 1:1.3.9-9+deb10u1 | fixed |
| bullseye | 1:1.3.10-3 | fixed | |
| bookworm, trixie | 1:1.3.10-7 | fixed | |
| sid | 1:1.3.10-8 | fixed | |
| vino (PTS) | buster | 3.22.0-5 | vulnerable |
| bookworm, bullseye, sid, trixie | 3.22.0-6 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| italc | source | jessie | 1:2.0.2+dfsg1-2+deb8u1 | DLA-1979-1 | ||
| italc | source | stretch | 1:3.0.3+dfsg1-1+deb9u1 | |||
| italc | source | (unstable) | (unfixed) | |||
| libvncserver | source | wheezy | 0.9.9+dfsg-1+deb7u3 | DLA-1332-1 | ||
| libvncserver | source | jessie | 0.9.9+dfsg2-6.1+deb8u3 | DSA-4221-1 | ||
| libvncserver | source | stretch | 0.9.11+dfsg-1+deb9u1 | DSA-4221-1 | ||
| libvncserver | source | (unstable) | 0.9.11+dfsg-1.1 | 894045 | ||
| tightvnc | source | jessie | 1.3.9-6.5+deb8u1 | DLA-2045-1 | ||
| tightvnc | source | stretch | 1:1.3.9-9+deb9u1 | |||
| tightvnc | source | buster | 1:1.3.9-9deb10u1 | |||
| tightvnc | source | (unstable) | 1:1.3.9-9.1 | |||
| vino | source | jessie | 3.14.0-2+deb8u1 | DLA-2014-1 | ||
| vino | source | (unstable) | 3.22.0-6 | 945784 |
[buster] - vino <no-dsa> (Minor issue)
[stretch] - vino <no-dsa> (Minor issue)
https://github.com/LibVNC/libvncserver/issues/218
https://github.com/LibVNC/libvncserver/commit/b0c77391e6bd0a2305bbc9b37a2499af74ddd9ee