Description
An issue was discovered in Znuny and Znuny LTS 6.0.31 through 6.5.7 and Znuny 7.0.1 through 7.0.16 where a logged-in user can upload a file (via a manipulated AJAX Request) to an arbitrary writable location by traversing paths. Arbitrary code can be executed if this location is publicly available through the web server.
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | znuny | 6.5.8-1 | — |
| Debian 13 | znuny | 6.5.8-1 | — |
| Debian 12 | znuny | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | znuny | No fix yet | — |