Cisco Catalyst Switch Unspecified Packet Processing Flaw Lets Remote Users Deny Service
SecurityTracker Alert ID: 1027573|
SecurityTracker URL: http://securitytracker.com/id/1027573
(Links to External Site)
Date: Sep 26 2012
Denial of service via network|
Fix Available: Yes Vendor Confirmed: Yes |
Version(s): 4500E Series Switch with Cisco Catalyst Supervisor Engine 7L-E|
A vulnerability was reported in Cisco Catalyst Switch 4500E Series. A remote user can cause denial of service conditions.|
A remote user can send specially crafted packets to or through the target device to cause the supervisor card on the target device to reload.
Cisco has assigned Cisco Bug ID CSCty88456 to this vulnerability.
The Catalyst 4500E series switch with Supervisor Engine 7L-E is affected.
Cisco IOS XE Software Release 03.02.00.XO.15.0(2)XO is affected.
A remote user can cause the supervisor card on the target device to reload.|
The vendor has issued a fix (IOS XE 3.3.0SG).|
The vendor's advisory is available at:
Vendor URL: tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-ecc (Links to External Site)
Source Message Contents
Date: Wed, 26 Sep 2012 12:18:34 -0400|
Subject: Cisco Security Advisory: Cisco Catalyst 4500E Series Switch with Cisco Catalyst Supervisor Engine 7L-E Denial of Service Vulnerability
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Cisco Catalyst 4500E Series Switch with Cisco Catalyst Supervisor Engine 7L-E Denial of Service Vulnerability
Advisory ID: cisco-sa-20120926-ecc
For Public Release 2012 September 26 16:00 UTC (GMT)
The Catalyst 4500E series switch with Supervisor Engine 7L-E contains
a denial of service (DoS) vulnerability when processing specially
crafted packets that can cause a reload of the device.
Cisco has released free software updates that address this
Workarounds that mitigate this vulnerability are not available.
This advisory is available at the following link:
Note: The September 26, 2012, Cisco IOS Software Security Advisory
bundled publication includes 9 Cisco Security Advisories. Eight of the
advisories address vulnerabilities in Cisco IOS Software, and one
advisory addresses a vulnerability in Cisco Unified Communications
Manager. Each Cisco IOS Software Security Advisory lists the Cisco IOS
Software releases that correct the vulnerability or vulnerabilities
detailed in the advisory as well as the Cisco IOS Software releases
that correct all Cisco IOS Software vulnerabilities in the September
2012 bundled publication.
Individual publication links are in "Cisco Event Response: Semi-Annual
Cisco IOS Software Security Advisory Bundled Publication" at the
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