Description
Multiple directory traversal vulnerabilities in (1) mod_evhost and (2) mod_simple_vhost in lighttpd before 1.4.35 allow remote attackers to read arbitrary files via a .. (dot dot) in the host name, related to request_check_hostname.
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 | 1.4.33-1+nmu3 | — |
| Debian 13 | lighttpd | 1.4.33-1+nmu3 | — |
| Debian 12 | lighttpd | 1.4.33-1+nmu3 | — |
| Debian 7 | lighttpd | 1.4.31-4+deb7u3 | DSA-2877-1 |
| Debian 6.0 | lighttpd | 1.4.28-2+squeeze1.6 | DSA-2877-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | lighttpd | 1.4.33-1+nmu2ubuntu2.1 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | lighttpd | 1.4.37-1.6 | openSUSE-SU-2024:10402-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 1 repository
-
sp4c30x1/uc_httpd_exploit ★ 4 · Dec 30, 2017
Simple uc httpd exploit made with py3.. this exploit was written from CVE-2014-2324
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- DSA-2877-1 lighttpd - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10402-1 lighttpd-1.4.37-1.6 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- http://www.lighttpd.net/2014/3/12/1.4.35/
- 66157 vdb-entry
- http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2014_01.txt
- DSA-2877 vendor-advisory
- openSUSE-SU-2014:0449 vendor-advisory
- 57514 third-party-advisory
- HPSBGN03191 vendor-advisory
- openSUSE-SU-2014:0496 vendor-advisory
- SUSE-SU-2014:0474 vendor-advisory
- 57404 third-party-advisory
- [oss-security] 20140312 Re: lighttpd 1.4.34 SQL injection and path traversal CVE request mailing-list
- [oss-security] 20140312 lighttpd 1.4.34 SQL injection and path traversal CVE request mailing-list
- JVN#37417423 third-party-advisory