NetIQ Sentinel Java Object Deserialization RCE

This script is Copyright (C) 2017 Tenable Network Security, Inc.


Synopsis :

The remote NetIQ Sentinel server is affected by a remote code
execution vulnerability

Description :

The remote Novell NetIQ Sentinel server is affected by a remote code
execution vulnerability due to unsafe deserialize calls of
unauthenticated Java objects to the BeanShell library. An
unauthenticated, remote attacker can exploit this, by sending a
specially crafted serialized Java object via the RMI interface, to
execute arbitrary code with the privileges of the application.

See also :

https://www.netiq.com/support/kb/doc.php?id=7018388
http://www.nessus.org/u?e0204f30

Solution :

Follow the resolution guideline as given in the NetIQ Sentinel
advisory, as follows:

Add to /etc/opt/novell/sentinel/config/deserialization-blacklist.conf
the following line:

bsh.XThis

Then restart the sentinel service.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 7.7
(CVSS2#E:U/RL:TF/RC:C)
Public Exploit Available : false

Family: Misc.

Nessus Plugin ID: 96485 ()

Bugtraq ID:

CVE ID:

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