| Name | CVE-2018-15126 |
| Description | LibVNC before commit 73cb96fec028a576a5a24417b57723b55854ad7b 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-1652-1, DLA-1979-1, DSA-4383-1 |
| Debian Bugs | 916941 |
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 |
| 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.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| italc | source | jessie | 1:2.0.2+dfsg1-2+deb8u1 | DLA-1979-1 | ||
| libvncserver | source | wheezy | (unfixed) | end-of-life | ||
| libvncserver | source | jessie | 0.9.9+dfsg2-6.1+deb8u5 | DLA-1652-1 | ||
| libvncserver | source | stretch | 0.9.11+dfsg-1.3~deb9u1 | DSA-4383-1 | ||
| libvncserver | source | (unstable) | 0.9.11+dfsg-1.2 | 916941 |
https://github.com/LibVNC/libvncserver/issues/242
Fixed by: https://github.com/LibVNC/libvncserver/commit/162d716b4c095a87aab2261857d583d68e3b3ea6 (merge of fix-#242)
Individual commits:
https://github.com/LibVNC/libvncserver/commit/89419fb1a0cef42b63528e6930f4e545cfef4c95
https://github.com/LibVNC/libvncserver/commit/f8912fee5a58fb3975eda2589f6d4686f0c1ae68
https://github.com/LibVNC/libvncserver/commit/73cb96fec028a576a5a24417b57723b55854ad7b (main part of the fix)
https://github.com/LibVNC/libvncserver/commit/2d939267a176bf4976dbad36399638956ad8cc34
https://github.com/LibVNC/libvncserver/commit/495ffa3f3a213ab058eee1d7da48fa5ef71914d8
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-027-libvnc-heap-use-after-free/