| Name | CVE-2018-15127 |
| Description | LibVNC before commit 502821828ed00b4a2c4bef90683d0fd88ce495de contains heap out-of-bound write 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 |
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.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| italc | source | wheezy | (unfixed) | end-of-life | ||
| 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 | (unfixed) | end-of-life | ||
| libvncserver | source | jessie | 0.9.9+dfsg2-6.1+deb8u4 | DLA-1617-1 | ||
| 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/243
https://github.com/LibVNC/libvncserver/commit/502821828ed00b4a2c4bef90683d0fd88ce495de
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-028-libvnc-heap-out-of-bound-write/
When fixing this issue make sure to not open CVE-2018-20749 and CVE-2018-20750
Additional commits:
https://github.com/LibVNC/libvncserver/commit/15bb719c03cc70f14c36a843dcb16ed69b405707
https://github.com/LibVNC/libvncserver/commit/09e8fc02f59f16e2583b34fe1a270c238bd9ffec