cisco-sa-lnt-L9zOkBz5: Cisco IOS XR Software Image Verification Vulnerability

Published Sep 13, 2023
·
Updated

A vulnerability in Cisco IOS XR Software image verification checks could allow an authenticated, local attacker to execute arbitrary code on the underlying operating system.This vulnerability is due to a time-of-check, time-of-use (TOCTOU) race condition when an install query

Affected Software

1 affected component
Cisco IOS XR Software

Event History

Sep 13, 2023
Advisory Published
04:00 PM
Data Sourced
04:00 PM
DescriptionSeverityWeakness

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of cisco-sa-lnt-L9zOkBz5?

The cisco-sa-lnt-L9zOkBz5 vulnerability is considered high severity due to its potential for arbitrary code execution.

2

How do I fix cisco-sa-lnt-L9zOkBz5?

To remediate cisco-sa-lnt-L9zOkBz5, ensure that your Cisco IOS XR Software is updated to the latest patched version.

3

Who is affected by cisco-sa-lnt-L9zOkBz5?

The cisco-sa-lnt-L9zOkBz5 vulnerability affects devices running affected Cisco IOS XR Software versions.

4

What type of attack does cisco-sa-lnt-L9zOkBz5 relate to?

cisco-sa-lnt-L9zOkBz5 relates to local authenticated attackers exploiting a TOCTOU race condition.

5

Is user interaction required for cisco-sa-lnt-L9zOkBz5 to be exploited?

User interaction is not required for cisco-sa-lnt-L9zOkBz5 to be exploited, as it targets authenticated local access.

Contact

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