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Secunia Security Advisory 46797

Secunia Security Advisory 46797
Posted Nov 11, 2011
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A vulnerability has been reported in Juniper Junos, which can be exploited by malicious people to cause a DoS (Denial of Service).

tags | advisory, denial of service
systems | juniper
MD5 | 31c1851970fdf294df492484302fbf35

Secunia Security Advisory 46797

Change Mirror Download
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SC World Congress, New York, USA, 16 November 2011
Visit the Secunia booth (#203) and discover how you can improve your handling of third party programs:

http://secunia.com/resources/events/sc_2011/

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TITLE:
Juniper Junos MX Series "Ktree::createFourWayNode" Route Prefix
Denial of Service

SECUNIA ADVISORY ID:
SA46797

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/46797/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=46797

RELEASE DATE:
2011-11-11

DISCUSS ADVISORY:
http://secunia.com/advisories/46797/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
* Last Update
* Popularity
* Comments
* Criticality Level
* Impact
* Where
* Solution Status
* Operating System / Software
* CVE Reference(s)

http://secunia.com/advisories/46797/

ONLY AVAILABLE IN CUSTOMER AREA:
* Authentication Level
* Report Reliability
* Secunia PoC
* Secunia Analysis
* Systems Affected
* Approve Distribution
* Remediation Status
* Secunia CVSS Score
* CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=46797

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
* AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A vulnerability has been reported in Juniper Junos, which can be
exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error within
"Ktree::createFourWayNode" when handling certain protocol-based route
prefix actions. This can be exploited to corrupt the data structures
within the MPC (Modular Port Concentrators) and cause a crash via
e.g. a specially crafted BGP "UPDATE".

NOTE: This only affects port concentrators based on the Trio chipset
e.g. MPC or embedded into the MX80.

The vulnerability is reported in versions 10.0, 10.1, 10.2, 10.3,
10.4 prior to 10.4R6, and 11.1 prior to 11.1R4.

SOLUTION:
Reportedly fixed in versions 10.0S18, 10.4R6, 11.1R4, and 11.2R1 or
later.

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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

About:
This Advisory was delivered by Secunia as a free service to help
private users 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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