| Name | CVE-2020-15396 |
| Description | In HylaFAX+ through 7.0.2 and HylaFAX Enterprise, the faxsetup utility calls chown on files in user-owned directories. By winning a race, a local attacker could use this to escalate his privileges to root. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 964198 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| hylafax (PTS) | jessie, jessie (lts) | 3:6.0.6-6+deb8u1 | vulnerable |
| stretch (security), stretch (lts), stretch | 3:6.0.6-7+deb9u1 | vulnerable |
| buster | 3:6.0.6-8.1 | vulnerable |
| bullseye | 3:6.0.7-3.1 | fixed |
| bookworm | 3:6.0.7-5 | fixed |
| sid, trixie | 3:6.0.7-11 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| hylafax | source | jessie | (unfixed) | end-of-life | | |
| hylafax | source | (unstable) | 3:6.0.7-3.1 | | | 964198 |
Notes
[buster] - hylafax <no-dsa> (Minor issue)
[stretch] - hylafax <no-dsa> (Minor issue)
https://sourceforge.net/p/hylafax/HylaFAX+/2534/