Description
SqWebMail allows remote attackers to inject arbitrary web script or HTML via CRLF sequences in the redirect parameter followed by the desired script or HTML.
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 | courier | No fix yet | — |
| Debian 13 | courier | No fix yet | — |
| Debian 12 | courier | No fix yet | — |
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.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- SqWebMail 3.x/4.0 - HTTP Response Splitting EDB-25534 · webapps · Apr 15, 2005 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.