CWE
244
Advisory Published

cisco-sa-ftd-snort3-uAnUntcV: Cisco Firepower Threat Defense Software Snort 3 Detection Engine Denial of Service Vulnerability

First published: Wed Nov 01 2023(Updated: )

A vulnerability in the TLS 1.3 implementation of the Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the Snort 3 detection engine to unexpectedly restart.This vulnerability is due to a logic error in how memory allocations are

Affected SoftwareAffected VersionHow to fix
Cisco Firepower Management Center (FMC) and Firepower Threat Defense (FTD) Software

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of cisco-sa-ftd-snort3-uAnUntcV?

    The severity of cisco-sa-ftd-snort3-uAnUntcV is classified as high due to the potential impact on the system's availability.

  • How do I fix cisco-sa-ftd-snort3-uAnUntcV?

    To remediate cisco-sa-ftd-snort3-uAnUntcV, users should apply the latest software update from Cisco that addresses the vulnerability.

  • What systems are affected by cisco-sa-ftd-snort3-uAnUntcV?

    cisco-sa-ftd-snort3-uAnUntcV affects Cisco Firepower Threat Defense Software and Cisco Firepower Management Center.

  • Can cisco-sa-ftd-snort3-uAnUntcV be exploited remotely?

    Yes, cisco-sa-ftd-snort3-uAnUntcV can be exploited by an unauthenticated, remote attacker.

  • What happens if cisco-sa-ftd-snort3-uAnUntcV is exploited?

    If cisco-sa-ftd-snort3-uAnUntcV is exploited, it may cause the Snort 3 detection engine to unexpectedly restart, affecting system performance.

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