Description
KTH Kerberos IV allows local users to specify an alternate proxy using the krb4_proxy variable, which allows the user to generate false proxy responses and possibly gain 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
- KTH Kerberos 4 - Arbitrary Proxy Usage EDB-20491 · remote · Dec 8, 2000 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- kerberos4-arbitrary-proxy(5733) vdb-entry
- 20001208 Vulnerabilities in KTH Kerberos IV mailing-list
- 20001210 KTH upgrade and FIX mailing-list