Vulnerabilities > CVE-2005-4783 - Local Security vulnerability in NetBSD
Attack vector
LOCAL Attack complexity
LOW Privileges required
NONE Confidentiality impact
PARTIAL Integrity impact
NONE Availability impact
NONE Summary
kernfs_xread in kernfs_vnops.c in NetBSD before 20050831 does not check for a negative offset when reading the message buffer, which allows local users to read arbitrary kernel memory.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| OS | 4 |
References
- http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c
- http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/miscfs/kernfs/kernfs_vnops.c.diff?r1=1.110&r2=1.111&f=h
- http://mail-index.netbsd.org/netbsd-announce/2005/10/31/0000.html
- http://releng.netbsd.org/cgi-bin/req-3.cgi?show=727
- http://securitytracker.com/id?1015132
- http://www.osvdb.org/20729
- http://www.packetstormsecurity.org/0601-advisories/NetBSD-SA2006-001.txt