81859 : Cisco IOS Extended ACL Functionality Log / Time Keyword Line Discarding Network Traffic Parsing Access Restriction Bypass
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
6	506	about 1 year ago	6 months ago	2 times	100%

Timeline

Disclosure Date
2012-02-02

Description

Cisco IOS contains a flaw related to the ACL functionality. The issue is triggered when keywords that end in a log or time are discarded. This may allow an attacker to bypass access restrictions via network traffic.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified
OSVDB: Concern

Solution

It is possible, but not confirmed, that this has been fixed in a rebuild of 15.0(1)SE.

Products

Cisco Systems, Inc.	Cisco IOS	12.2(58)SE2
		15.0(1)SE

References

Security Tracker: 1027005
CVE ID: 2012-0362 (see also: NVD)
Other Advisory URL: http://puck.nether.net/pipermail/cisco-nsp/2012-February/083517.html

Credit

Preston Chilcote - Cisco TAC

CVSSv2 Score

CVSSv2 Base Score = 4.3
Source: nvd.nist.gov | Generated: 2012-05-02 | Disagree?

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