CVE-2011-1625: Race Condition

Published Aug 18, 2011

Updated

Cisco IOS 12.2, 12.3, 12.4, 15.0, and 15.1, when the data-link switching (DLSw) feature is configured, allows remote attackers to cause a denial of service (device crash) by sending a sequence of malformed packets and leveraging a "narrow timing window," aka Bug ID CSCtf74999, a different vulnerability than CVE-2007-0199, CVE-2008-1152, and CVE-2009-0629.

Affected Software

5 affected components

Cisco IOS=15.1

Cisco IOS=15.0

Cisco IOS=12.3

Cisco IOS=12.4

Cisco IOS=12.2

Event History

Aug 18, 2011

CVE Published

via MITRE·06:00 PM

Data Sourced

via MITRE·06:00 PM

Description

Frequently Asked Questions

What is the severity of CVE-2011-1625?

CVE-2011-1625 is classified as a high severity vulnerability that can lead to a denial of service.

How do I fix CVE-2011-1625?

To fix CVE-2011-1625, it is recommended to upgrade to a vulnerable-free version of Cisco IOS.

What versions of Cisco IOS are affected by CVE-2011-1625?

CVE-2011-1625 affects Cisco IOS versions 12.2, 12.3, 12.4, 15.0, and 15.1.

What type of attack does CVE-2011-1625 enable?

CVE-2011-1625 enables remote attackers to cause a denial of service by sending malformed packets.

Is there a workaround for CVE-2011-1625?

There are no known workarounds for CVE-2011-1625, and upgrading is the recommended approach.