CVE-2016-1361: Medium severity cisco ios xrv 9000 vulnerability

Published Mar 12, 2016
·
Updated

Cisco IOS XR through 4.3.2 on Gigabit Switch Router (GSR) 12000 devices does not properly check for a Bidirectional Forwarding Detection (BFD) header in a UDP packet, which allows remote attackers to cause a denial of service (line-card restart) via a crafted packet, aka Bug ID CSCuw56900.

Affected Software

38 affected components
Cisco IOS XR=3.3.3
Cisco IOS XR=3.4.1
Cisco IOS XR=3.4.2
Cisco IOS XR=3.4.3
Cisco IOS XR=3.5.2
Cisco IOS XR=3.5.3
Cisco IOS XR=3.5.4
Cisco IOS XR=3.6.0
Cisco IOS XR=3.6.1
Cisco IOS XR=3.6.2
Cisco IOS XR=3.6.3
Cisco IOS XR=3.7.0
Cisco IOS XR=3.7.1
Cisco IOS XR=3.8.0
Cisco IOS XR=3.8.1
Cisco IOS XR=3.8.2
Cisco IOS XR=3.8.4
Cisco IOS XR=3.9.0
Cisco IOS XR=3.9.1
Cisco IOS XR=3.9.2
Cisco IOS XR=4.0.0
Cisco IOS XR=4.0.1
Cisco IOS XR=4.0.3
Cisco IOS XR=4.1.0
Cisco IOS XR=4.1.1
Cisco IOS XR=4.1.2
Cisco IOS XR=4.2.0
Cisco IOS XR=4.2.1
Cisco IOS XR=4.2.2
Cisco IOS XR=4.2.3
Cisco IOS XR=4.2.4
Cisco IOS XR=4.3.0
Cisco IOS XR=4.3.1
Cisco IOS XR=4.3.2
Cisco Xr 12404
Cisco Xr 12406
Cisco Xr 12410
Cisco Xr 12416

Event History

Mar 12, 2016
CVE Published
via MITRE·02:00 AM
Data Sourced
via MITRE·02:00 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2016-1361?

CVE-2016-1361 has a severity rating of high due to its potential to cause a denial of service.

2

How do I fix CVE-2016-1361?

To mitigate CVE-2016-1361, it is recommended to upgrade to a fixed version of Cisco IOS XR, specifically 4.3.2 or later.

3

What devices are impacted by CVE-2016-1361?

CVE-2016-1361 affects Cisco IOS XR versions up to and including 4.3.2 running on Gigabit Switch Router (GSR) 12000 devices.

4

What kind of attack does CVE-2016-1361 allow?

CVE-2016-1361 allows remote attackers to send crafted packets that can cause line-card restarts.

5

Is there a workaround for CVE-2016-1361 if I can't upgrade?

There is no recommended workaround for CVE-2016-1361; upgrading to the latest software version is the best course of action.

Company

Resources

Contact

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