Description
HylaFAX+ through 7.0.2 and HylaFAX Enterprise have scripts that execute binaries from directories writable by unprivileged users (e.g., locations under /var/spool/hylafax that are writable by the uucp account). This allows these users to execute code in the context of the user calling these binaries (often root).
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | hylafax | No fix yet | — |
| Ubuntu 26.04 LTS | hylafax | No fix yet | — |
| Ubuntu 25.10 | hylafax | No fix yet | — |
| Ubuntu 24.04 LTS | hylafax | No fix yet | — |
| Ubuntu 22.04 LTS | hylafax | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | hylafax | No fix yet | — |
| Ubuntu 18.04 LTS | hylafax | No fix yet | — |
| Ubuntu 16.04 LTS | hylafax | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP2 | hylafax+ | 7.0.3-bp152.3.4.1 | openSUSE-SU-2020:1438-1 |
| SUSE Package Hub 15 SP1 | hylafax+ | 7.0.3-bp151.6.4.1 | openSUSE-SU-2020:1231-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | hylafax+ | 7.0.3-5.1 | openSUSE-SU-2024:10852-1 |
| openSUSE Leap 15.2 | hylafax+ | 7.0.3-lp152.3.6.1 | openSUSE-SU-2020:1209-1 |
| openSUSE Leap 15.1 | hylafax+ | 7.0.3-lp151.4.6.1 | openSUSE-SU-2020:1210-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | hylafaxplus | 7.0.2-r2 | — |
| Alpine v3.23 | hylafaxplus | 7.0.2-r2 | — |
| Alpine v3.22 | hylafaxplus | 7.0.2-r2 | — |
| Alpine v3.21 | hylafaxplus | 7.0.2-r2 | — |
| Alpine v3.20 | hylafaxplus | 7.0.2-r2 | — |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | hylafaxplus | 7.0.2-r2 | — |
| Alpine v3.18 | hylafaxplus | 7.0.2-r2 | — |
| Alpine v3.17 | hylafaxplus | 7.0.2-r2 | — |
| Alpine v3.16 | hylafaxplus | 7.0.2-r2 | — |
| Alpine v3.15 | hylafaxplus | 7.0.2-r2 | — |
| Alpine v3.14 | hylafaxplus | 7.0.2-r2 | — |
| Alpine v3.13 | hylafaxplus | 7.0.2-r2 | — |
| Alpine v3.12 | hylafaxplus | 7.0.2-r2 | — |
| Alpine v3.11 | hylafaxplus | 7.0.1-r2 | — |
| Alpine v3.10 | hylafaxplus | 7.0.0-r4 | — |
| Alpine v3.9 | hylafaxplus | 7.0.0-r1 | — |
Advisories 5
- openSUSE-SU-2020:1438-1 Security update for hylafax+ SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1209-1 Security update for hylafax+ SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10852-1 hylafax+-7.0.3-5.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1210-1 Security update for hylafax+ SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1231-1 Security update for hylafax+ SUSE / openSUSE Security Updates · May 7, 2025
References
- https://sourceforge.net/p/hylafax/HylaFAX+/2534/
- https://bugzilla.suse.com/show_bug.cgi?id=1173519
- GLSA-202007-06 vendor-advisory
- FEDORA-2020-8aa8793d25 vendor-advisory
- FEDORA-2020-01eb48bcce vendor-advisory
- openSUSE-SU-2020:1209 vendor-advisory
- openSUSE-SU-2020:1210 vendor-advisory
- openSUSE-SU-2020:1231 vendor-advisory
- openSUSE-SU-2020:1438 vendor-advisory