OSVDB ID: 85815

Title: Cisco IOS Intrusion Prevention System Malformed DNS Packet Parsing Remote DoS

Info

Disclosure

Sep 26, 2012

Discovery

Unknown

Dates

Exploit

Unknown

Solution

Sep 26, 2012

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

Unknown or Incomplete

Direct URL: http://osvdb.org/85815

Info

Disclosure

Discovery

Dates

Exploit

Solution

Description

Classification

Solution

Products

Cisco Systems, Inc.

Cisco IOS

References

Credit