Description
The UCX POP server in HP TCP/IP services for OpenVMS 4.2 through 5.3 allows local users to truncate arbitrary files via the -logfile command line option, which overrides file system permissions because the server runs with the SYSPRV and BYPASS privileges.
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
- OpenVms 5.3/6.2/7.x - UCX POP Server Arbitrary File Modification EDB-21856 · local · Sep 25, 2002 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 5790 vdb-entry
- openvms-pop-gain-privileges(10236) vdb-entry
- 20020927 OpenVMS POP server local vulnerability mailing-list
- 20021001 [security bulletin] SSRT2371 HP OpenVMS Potential POP server local vulnerability (fwd) mailing-list
- SSRT2371 vendor-advisory