Race condition in the object-group ACL feature in Cisco IOS 15.5(2)T and earlier allows remote attackers to bypass intended access restrictions via crafted network traffic that triggers improper handling of the timing of process switching and Cisco Express Forwarding (CEF) switching, aka Bug ID CSCun21071.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0610
Reference (s):
- BID:72565
- URL: http://www.securityfocus.com/bid/72565
- CISCO:20150210 Cisco IOS Software Access Control List Bypass Vulnerability
- URL: http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0610
- http://tools.cisco.com/security/center/viewAlert.x?alertId=37423