Title: Solaris snoop (GETQUOTA) Buffer Overflow Vulnerability
Severity: HIGH
Description:
Certain versions of Solaris (2.X) ship with a program designed to monitor network traffic accessible from on a hosts ethernet segment. This program, /usr/sbin/snoop is under certain versions of Solaris vulnerable to a remotely exploitable buffer overflow attack. The problem lies in where snoop attempts to decode GETQUOTA requests to the rquotad RPC daemon. Rquotad is an rpc(4) server which returns quotas for a user of a local file system which is mounted by a remote machine over the NFS. The results are used by quota(1M) to display user quotas for remote file systems.
An overly long GETQUOTA request will result in a buffer overflow which can be used to execute arbitrary code as root (the privilege which snoop runs at).
Affected Products:
- Sun Solaris 2.4.0
- Sun Solaris 2.4.0_x86
- Sun Solaris 2.5.0
- Sun Solaris 2.5.0_x86
- Sun Solaris 2.5.1
- Sun Solaris 2.5.1_ppc
- Sun Solaris 2.5.1_x86
- Sun Solaris 2.6
- Sun Solaris 2.6_x86
- Sun Solaris 7.0
- Sun Solaris 7.0_x86
References:
- Internet Security Systems: X-Force Web Page
- Sun Microsystems: Sun Patch Access Page
- Sun Microsystems: Sun Patches List
- Sun Microsystems: Sunsolve Online(tm)
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