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Secunia Security Advisory 36829

Secunia Security Advisory 36829
Posted Sep 29, 2009
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Some vulnerabilities have been reported in Juniper JUNOS, which can be exploited by malicious people to conduct cross-site scripting attacks and by malicious users to conduct script insertion attacks.

tags | advisory, vulnerability, xss
systems | juniper
SHA-256 | ff336aee48286760e80863adca35d837537d0a96d522947d63390276b9b180ba

Secunia Security Advisory 36829

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Implement it through Secunia.

For more information visit:
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Alternatively request a call from a Secunia representative today to
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TITLE:
Juniper JUNOS JWeb Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA36829

VERIFY ADVISORY:
http://secunia.com/advisories/36829/

DESCRIPTION:
Some vulnerabilities have been reported in Juniper JUNOS, which can
be exploited by malicious people to conduct cross-site scripting
attacks and by malicious users to conduct script insertion attacks.

1) Input passed via the URL to the JWeb administrative web interface
is not properly sanitised before being returned to the user. This can
be exploited to execute arbitrary HTML and script code in a user's
browser session in context of an affected site.

2) Input passed via multiple parameters to the JWeb administrative
web interface is not properly sanitised before being returned to the
user. This can be exploited to execute arbitrary HTML and script code
in a user's browser session in context of an affected site.

The following parameters passed to the following scripts are
reportedly affected:
* "host" to /diagnose?m[]=pinghost and /diagnose?m[]=traceroute
* "probe-limit" to /configuration?m[]=wizards&m[]=rpm
* "wizard_ids" and "pager-new-identifier" to
/configuration?m[]=wizards&m[]=firewall-acl&m[]=firewall-filters
* "os-physical-interface-name" to
/configuration?m[]=wizards&m[]=cos&m[]=cos-interfaces
* "wizard-args" and "wizard-ids" to
/configuration?m[]=wizards&m[]=snmp
* "username" and "fullname" to /configuration?m[]=wizards&m[]=users
* "certname" and "certbody" to /configuration?m[]=wizards&m[]=https

3) Input passed via multiple parameters to the JWeb administrative
web interface is not properly sanitised before being returned to the
user. This can be exploited to execute arbitrary HTML and script code
in a user's browser session in context of an affected site.

The following parameters passed to the following scripts are
reportedly affected:
* "JEXEC_OUTID" to
/jexec?JEXEC_MODE=JEXEC_MODE_RELAY_OUTPUT&JEXEC_RPC=request-background-task-start-junoscript
* "act" to /scripter.php?debug=1&ifid=1&refresh-time=1
* "refresh-time" to /scripter.php
* "ifid" to /scripter?act=header
* "revision" to /configuration?m[]=history&action=rollback
* "m[]" to /monitor, /manage, /events, /configuration, /alarms, and
/
" "wizard-next" to /configuration?m[]=wizards&m[]=https

4) Input passed via the "Contact Information", "System Description",
"Local Engine ID", "System Location", and "System Name Override"
fields to /configuration?m[]=wizards&m[]=snmp&start=true is not
properly sanitised before being stored. This can be exploited to
insert arbitrary HTML and script code, which is executed in a user's
browser session in context of an affected site when the malicious
data is viewed.

Vulnerability #1 is reported in JWeb version 8.5R1.14 and 9.0R1.1.
Vulnerabilities #2 through #4 are reported in version 8.5R1.14.

SOLUTION:
Filter malicious characters and character sequences in a web proxy.

PROVIDED AND/OR DISCOVERED BY:
1, 2) Amir Azam of ProCheckUp Ltd
3, 4) Richard Brain of ProCheckUp Ltd

ORIGINAL ADVISORY:
http://www.procheckup.com/vulnerability_manager/vulnerabilities/pr09-08
http://www.procheckup.com/vulnerability_manager/vulnerabilities/pr09-09
http://www.procheckup.com/vulnerability_manager/vulnerabilities/pr09-10

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

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