| Name | CVE-2018-6307 |
| Description | LibVNC before commit ca2a5ac02fbbadd0a21fabba779c1ea69173d10b contains heap use-after-free vulnerability in server code of file transfer extension that can result remote code execution. |
| 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, DLA-1979-1, DSA-4383-1 |
| Debian Bugs | 916941 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| italc (PTS) | jessie, jessie (lts) | 1:2.0.2+dfsg1-2+deb8u1 | fixed |
| stretch | 1:3.0.3+dfsg1-1+deb9u1 | fixed |
| 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/241
https://github.com/LibVNC/libvncserver/commit/ca2a5ac02fbbadd0a21fabba779c1ea69173d10b
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-026-libvnc-heap-use-after-free/