1987 : Cisco 12000 Series Router Fragment Keyword Ignored in Outbound ACL
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
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Timeline

Disclosure Date
2001-11-14

Description

Cisco IOS on 12000 series routers contains a flaw that may allow a malicious user to bypass access control lists. The issue is triggered by lack of support for the "fragment" keyword by outbound ACLs. It is possible that the flaw may allow unauthorized traffic to traverse the network.

Classification

Unknown or Incomplete

Solution

Upgrade to version indicated in Cisco product matrix, 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

12.0

References

CVE ID: 2001-0863 (see also: NVD)
Bugtraq ID: 3539 3542
ISS X-Force ID: 7551
Vendor Specific Advisory URL: http://www.cisco.com/warp/public/707/GSR-ACL-pub.shtml
Other Advisory URL: http://www.securityfocus.com/archive/1/240233
CIAC Advisory: m-018

Tools & Filters

	10970

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 5.0
Source: nvd.nist.gov | Generated: 2003-12-31 | Disagree?

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