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Rule:
--
Sid:
1915
--
Summary:
This event is generated when an attempt is made to exploit a format
string vulnerability associated with the Remote Procedure Call (RPC)
rpc.statd.
--
Impact:
Remote root access. This may permit execution of arbitrary commands with
the privileges of root.
--
Detailed Information:
The rpc.statd daemon is a component of Network File System (NFS) that
implements the Network Status and Monitor (NSM) RPC functions. NSM
monitors the status of NFS clients and servers and maintains a list of
hosts that have registered to be notified when an NFS host crashes.
There is a format string vulnerability associated with the code that
implements the monitoring of a given host, possibly permitting the
execution of arbitrary commands with the privileges of root.
--
Affected Systems:
Conectiva Linux 4.0, 4.1, 4.2, 5.0, 5.1
Debian Linux 2.2, 2.3
Red Hat Linux 6.0, 6.1, 6.2
SuSE Linux 6.3, 6.4, 7.0
Trustix Secure Linux 1.0, 1.1
--
Attack Scenarios:
An attacker can attempt to exploit the format string error allowing
execution of arbitrary commands with the privileges of root.
--
Ease of Attack:
Simple. Exploit code is freely available.
--
False Positives:
None Known.
--
False Negatives:
None Known.
--
Corrective Action:
Limit remote access to RPC services.
Filter RPC ports at the firewall to ensure access is denied to
RPC-enabled machines.
Disable unneeded RPC services.
--
Contributors:
Sourcefire Vulnerability Research Team
Brian Caswell <bmc@sourcefire.com>
Judy Novak <judy.novak@sourcefire.com>
--
Additional References:
--
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