Description
Unspecified vulnerability in sys/dev/pci/vga_pci.c in the VGA graphics driver for wscons in OpenBSD 3.9 and 4.0, when the kernel is compiled with the PCIAGP option and a non-AGP device is being used, allows local users to gain privileges via unspecified vectors, possibly related to agp_ioctl NULL pointer reference.
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.
Exploit-DB 1
- OpenBSD 3.x < 4.0 - 'vga_ioctl()' Local Privilege Escalation EDB-3094 · local · Jan 7, 2007 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- http://ilja.netric.org/files/Unusual%20bugs%2023c3.pdf
- 32574 vdb-entry
- [openbsd-cvs] 20070103 CVS: cvs.openbsd.org: www mailing-list
- [3.9] 017: SECURITY FIX: January 3, 2007 vendor-advisory
- [4.0] 007: SECURITY FIX: January 3, 2007 vendor-advisory
- 1017468 vdb-entry
- ADV-2007-0043 vdb-entry
- 23608 third-party-advisory
- openbsd-vga-privilege-escalation(31276) vdb-entry
- [openbsd-cvs] 20070103 Re: CVS: cvs.openbsd.org: src mailing-list