Vulnerability Details

Cisco IOS XR LPTS Denial of Service Vulnerability

Published: 2016-05-23 12:24:54
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P

Detection Method:
Checks if a vulnerable version is present on the target host.

Recommendations:
See the referenced vendor advisory for a solution.

Summary:
A vulnerability in the Local Packet Transport Services (LPTS) network stack of Cisco IOS XR for Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to cause a limited denial of service (DoS) condition on an affected platform. The vulnerability is due to improper handling of flow base entries by LPTS. This can cause too many known entries for a protocol to be created, causing existing or new sessions to be dropped. An attacker could exploit this vulnerability by sending continuous connection attempts to the open TCP ports to cause an exhaustion of services. An exploit could allow the attacker to cause a limited DoS condition on an affected platform. Cisco has released software updates that address this vulnerability. Workarounds that address this vulnerability are not available.

Detection Type:
Linux Distribution Package

Solution Type:
Vendor Patch

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2016-1407

References:

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160519-ios-xr

Severity
Medium
CVSS Score
5.0
Published
2016-05-23
Modified
2018-10-18
Category
CISCO

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