Description
filebrowser through 2.63.23 fails to validate named pipes in directory archive and public download handlers, allowing attackers to trigger blocking open syscalls. Authenticated users or anonymous visitors with public share links can repeatedly request archives containing named pipes to pin server goroutines and exhaust connection resources.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| filebrowser | filebrowser | ≤ 2.63.23 | — |
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.
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | filebrowser +1 | No fix yet | — |
References
- GitHub Security Advisory (GHSA-8q5j-8wcr-8v2v) vendor-advisory
- Patch Commit patch
- VulnCheck Advisory: filebrowser through 2.63.23 Denial of Service via named pipes third-party-advisory