Description
Directory traversal vulnerability in op/op.Login.php in LetoDMS (formerly MyDMS) 1.7.2 and earlier allows remote authenticated users to include and execute arbitrary local files via a .. (dot dot) in the lang parameter.
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 5.0 | mydms | 1.7.0-1+lenny1 | DSA-2146-1 |
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.
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
- LetoDms 1.4.x - 'lang' Local File Inclusion EDB-33530 · webapps · Jan 15, 2010 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- DSA-2146-1 mydms - directory traversal Debian Security (DSA / DLA) · Mar 9, 2026
References
- 38237 third-party-advisory
- https://www.sec-consult.com/files/20100115-0_mydms_file_inclusion.txt
- letodms-oplogin-file-include(55709) vdb-entry
- 42900 third-party-advisory
- 37828 vdb-entry
- 20100115 SEC Consult SA-20100115-0 :: Local file inclusion/execution and multiple CSRF vulnerabilities in LetoDMS (formerly MyDMS) mailing-list
- 61834 vdb-entry
- DSA-2146 vendor-advisory