| Name | CVE-2018-19044 |
| Description | keepalived 2.0.8 didn't check for pathnames with symlinks when writing data to a temporary file upon a call to PrintData or PrintStats. This allowed local users to overwrite arbitrary files if fs.protected_symlinks is set to 0, as demonstrated by a symlink from /tmp/keepalived.data or /tmp/keepalived.stats to /etc/passwd. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| keepalived (PTS) | jessie, jessie (lts) | 1:1.2.13-1+deb8u1 | vulnerable |
| stretch (lts), stretch | 1:1.3.2-1+deb9u1 | vulnerable | |
| buster (security), buster, buster (lts) | 1:2.0.10-1+deb10u1 | fixed | |
| bullseye | 1:2.1.5-0.2+deb11u1 | fixed | |
| bookworm | 1:2.2.7-1 | fixed | |
| sid, trixie | 1:2.3.1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| keepalived | source | wheezy | (unfixed) | end-of-life | ||
| keepalived | source | (unstable) | 1:2.0.10-1 | unimportant |
https://bugzilla.suse.com/show_bug.cgi?id=1015141
https://github.com/acassen/keepalived/commit/04f2d32871bb3b11d7dc024039952f2fe2750306
https://github.com/acassen/keepalived/issues/1048