Description
Format string vulnerability in ISDN Point to Point Protocol (PPP) daemon (ipppd) in the ISDN4Linux (i4l) package allows local users to gain root privileges via format strings in the device name command line argument, which is not properly handled in a call to syslog.
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 2
- ISDN4Linux 3.1 - IPPPD Device String SysLog Format String (1) EDB-21700 · local · Aug 10, 2002 · verified
- ISDN4Linux 3.1 - IPPPD Device String SysLog Format String (2) EDB-21701 · local · Aug 10, 2002 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- isdn4linux-ipppd-format-string(9811) vdb-entry
- 20020809 Local Root Exploit mailing-list
- 5437 vdb-entry