SB2020050709 - Multiple vulnerabilities in Cisco Firepower Threat Defense Software and Cisco Adaptive Security Appliance (ASA) Software

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Main Vulnerability Database SB2020050709

SB2020050709 - Multiple vulnerabilities in Cisco Firepower Threat Defense Software and Cisco Adaptive Security Appliance (ASA) Software

Published: May 7, 2020 Updated: May 7, 2020

Security Bulletin ID SB2020050709
Severity
High
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

High 25% Medium 75%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 secuirty vulnerabilities.


1) Improper access control (CVE-ID: CVE-2020-3312)

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the application policy configuration. A remote attacker can send a specially crafted traffic to an affected device and gain unauthorized read access to sensitive data.


2) Double Free (CVE-ID: CVE-2020-3179)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a memory handling error when the generic routing encapsulation (GRE) over IPv6 traffic is processed. A remote attacker can send a specially crafted GRE over IPv6 packets with either IPv4 or IPv6 payload, trigger double free error and cause a denial of service condition on the target system.



3) Resource exhaustion (CVE-ID: CVE-2020-3305)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources in the implementation of the Border Gateway Protocol (BGP) module. A remote attacker can send a specially crafted BGP packet, trigger resource exhaustion and perform a denial of service (DoS) attack.


4) Resource management error (CVE-ID: CVE-2020-3303)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources with the application in the Internet Key Exchange version 1 (IKEv1) feature. A remote attacker can send malicious IKEv1 traffic to an affected device and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References