Cisco IOS XR Border Gateway Protocol TCP Connection Restart denial of service

A vulnerability, which was classified as problematic, has been found in Cisco IOS XR (Router Operating System) (unknown version). This issue affects some unknown processing of the component Border Gateway Protocol. The manipulation as part of a TCP Connection leads to a denial of service vulnerability (Restart). Using CWE to declare the problem leads to CWE-404. Impacted is availability.

The weakness was presented 07/06/2019 as cisco-sa-20190703-iosxr-bgp-do as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2019-1909 since 12/06/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/06/2019).

Upgrading eliminates this vulnerability.

Type

• Router Operating System

Vendor

• Cisco

Name

• IOS XR

• 🔒

• 🔒

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Denial of service / Restart (CWE-404)
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

12/06/2018 CVE assigned
07/06/2019 +212 days Advisory disclosed
07/06/2019 +0 days VulDB entry created
07/06/2019 +0 days VulDB last updateVendor: cisco.com

Advisory: cisco-sa-20190703-iosxr-bgp-do
Status: Confirmed

CVE: CVE-2019-1909 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20150108

Created: 07/06/2019 10:11 AM
Complete: 🔍

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