85815 : Cisco IOS Intrusion Prevention System Malformed DNS Packet Parsing Remote DoS
Printer | http://osvdb.org/85815 | Email This | Edit Vulnerability

Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
7	347	8 months ago	6 months ago	5 times	100%

Timeline

Disclosure Date
2012-09-26

Description

Cisco IOS contains a flaw that may allow a remote denial of service. The issue is triggered when an error occurs in the Intrusion Prevention System during the parsing of a malformed DNS packet, which will result in a loss of availability for the system.

Classification

Location: Remote / Network Access
Attack Type: Denial of Service
Impact: Loss of Availability
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified

Solution

Upgrade to the version specified in the vendor advisory or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Cisco Systems, Inc.	Cisco IOS	12.3JA
		12.3JK
		12.4GC
		12.4MR
		12.4XF
		12.4XJ
		12.4XK
		12.4XV
		12.4YB
		15.0M
		15.1GC
		15.1M
		15.1T
		15.2GC
		15.2T

References

Security Tracker: 1027580
CVE ID: 2012-3950 (see also: NVD)
Secunia Advisory ID: 50777
Vendor Specific Advisory URL: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-ios-ips

Credit

Not Available

CVSSv2 Score

CVSSv2 Base Score = 7.1
Source: nvd.nist.gov | Generated: 2012-09-27 | Disagree?

Comments

Add Comment Hide Add Comment

No Comments.

The database information may change without any notice. Use of the information constitutes acceptance for use in an AS IS condition, and there are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the copyright holder or distributor (OSVDB or OSF) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.