Description
msgchk in Digital UNIX 4.0G and earlier allows a local user to read the first line of arbitrary files via a symlink attack on the .mh_profile file.
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
- Digital Unix 4.0 - MSGCHK MH_PROFILE Symbolic Link EDB-21107 · local · Sep 10, 2001 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- du-msgchk-symlink(7102) vdb-entry
- 20010910 Digital Unix 4.0x msgchk multiple vulnerabilities mailing-list
- VU#440539 third-party-advisory
- 3320 vdb-entry