SB2017120113 - Denial of service in Cisco IOS XR



SB2017120113 - Denial of service in Cisco IOS XR

Published: December 1, 2017

Security Bulletin ID SB2017120113
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Denial of service (CVE-ID: CVE-2017-12355)

The vulnerability allows a remote attacker to DoS condition on the target system.

The vulnerability exists in the Local Packet Transport Services (LPTS) ingress frame-processing functionality of Cisco IOS XR Software due to  incomplete LPTS frame validation. A remote attacker can send specially crafted XML requests to the management interface cause one of the LPTS processes to restart unexpectedly.

Successful exploitation of the vulnerability results in denial of service.


Remediation

Install update from vendor's website.