| Name | CVE-2018-21247 |
| Description | An issue was discovered in LibVNCServer before 0.9.13. There is an information leak (of uninitialized memory contents) in the libvncclient/rfbproto.c ConnectToRFBRepeater function. |
| 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-1617-1, DSA-4383-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libvncserver (PTS) | jessie, jessie (lts) | 0.9.9+dfsg2-6.1+deb8u8 | fixed |
| stretch (security) | 0.9.11+dfsg-1.3~deb9u6 | fixed |
| stretch (lts), stretch | 0.9.11+dfsg-1.3~deb9u7 | fixed |
| buster (security), buster, buster (lts) | 0.9.11+dfsg-1.3+deb10u5 | fixed |
| bullseye | 0.9.13+dfsg-2+deb11u1 | fixed |
| sid, trixie, bookworm | 0.9.14+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://github.com/LibVNC/libvncserver/issues/253
https://github.com/LibVNC/libvncserver/commit/8b06f835e259652b0ff026898014fc7297ade858