CVE-2015-4285: Medium severity cisco ios xrv 9000 vulnerability

Published Jul 23, 2015

Updated

The Local Packet Transport Services (LPTS) implementation in Cisco IOS XR 5.1.2, 5.1.3, 5.2.1, and 5.2.2 on ASR9k devices makes incorrect decisions about the opening of TCP and UDP ports during the processing of flow base entries, which allows remote attackers to cause a denial of service (resource consumption) by sending traffic to these ports continuously, aka Bug ID CSCur88273.

Affected Software

4 affected components

Cisco IOS XR=5.1.2

Cisco IOS XR=5.1.3

Cisco IOS XR=5.2.1

Cisco IOS XR=5.2.2

Event History

Jul 23, 2015

CVE Published

via MITRE·02:00 PM

Data Sourced

via MITRE·02:00 PM

Description

Frequently Asked Questions

What is the severity of CVE-2015-4285?

CVE-2015-4285 is classified as a severity level critical vulnerability that can lead to denial of service.

How do I fix CVE-2015-4285?

To fix CVE-2015-4285, update your Cisco IOS XR software to version 5.2.3 or later.

Which Cisco IOS XR versions are affected by CVE-2015-4285?

CVE-2015-4285 affects Cisco IOS XR versions 5.1.2, 5.1.3, 5.2.1, and 5.2.2.

What are the potential impacts of exploiting CVE-2015-4285?

Exploiting CVE-2015-4285 may allow remote attackers to cause a denial of service, leading to resource exhaustion.

Is there a workaround for CVE-2015-4285?

There are no documented workarounds for CVE-2015-4285; the recommended action is to upgrade to a patched version.