Description
There exists use-after-free vulnerabilities in lighttpd <= 1.4.50 request parsing which might read from invalid pointers to memory used in the same request, not from other requests.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| lighttpd | lighttpd | ≤ 1.4.50 | — |
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 | lighttpd | 1.4.52-1 | — |
| Debian 13 | lighttpd | 1.4.52-1 | — |
| Debian 12 | lighttpd | 1.4.52-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | lighttpd | No fix yet | — |
| Ubuntu Pro 16.04 LTS | lighttpd | No fix yet | — |
| Ubuntu Pro 14.04 LTS | lighttpd | No fix yet | — |
Advisories 1
- WID-SEC-2024-1563 lighttpd: Schwachstelle ermöglicht Denial of Service und Informationsoffenlegung BSI CERT-Bund (WID) · Jul 9, 2024
References
- https://blogvdoo.wordpress.com/2018/11/06/giving-back-securing-open-source-iot-projects/#more-736
- https://www.runzero.com/blog/lighttpd/
- https://github.com/lighttpd/lighttpd1.4/commit/df8e4f95614e476276a55e34da2aa8b00b1148e9
- https://github.com/lighttpd/lighttpd1.4/commit/d161f53de04bc826ce1bdaeb3dce2c72ca50a3f8
- https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/2024/AMI-SA-2024002.pdf
- https://www.kb.cert.org/vuls/id/312260