Advisory Published
Updated

CVE-2018-15322

First published: Wed Oct 31 2018(Updated: )

On BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.0.7, 12.1.0-12.1.3.5, 11.6.0-11.6.3.2, or 11.2.1-11.5.6, BIG-IQ Centralized Management 6.0.0-6.0.1, 5.0.0-5.4.0 or 4.6.0, BIG-IQ Cloud and Orchestration 1.0.0, iWorkflow 2.0.1-2.3.0, or Enterprise Manager 3.1.1 a BIG-IP user granted with tmsh access may cause the BIG-IP system to experience denial-of-service (DoS) when the BIG-IP user uses the tmsh utility to run the edit cli preference command and proceeds to save the changes to another filename repeatedly. This action utilises storage space on the /var partition and when performed repeatedly causes the /var partition to be full.

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
F5 BIG-IP Local Traffic Manager>=11.2.1<=11.5.6
F5 BIG-IP Local Traffic Manager>=11.6.0<=11.6.3.2
F5 BIG-IP Local Traffic Manager>=12.1.0<=12.1.3.5
F5 BIG-IP Local Traffic Manager>=13.0.0<=13.1.0.7
F5 BIG-IP Local Traffic Manager>=14.0.0<=14.0.0.2
F5 BIG-IP Advanced Firewall Manager>=11.2.1<=11.5.6
F5 BIG-IP Advanced Firewall Manager>=11.6.0<=11.6.3.2
F5 BIG-IP Advanced Firewall Manager>=12.1.0<=12.1.3.5
F5 BIG-IP Advanced Firewall Manager>=13.0.0<=13.1.0.7
F5 BIG-IP Advanced Firewall Manager>=14.0.0<=14.0.0.2
f5 big-ip application acceleration manager>=11.2.1<=11.5.6
f5 big-ip application acceleration manager>=11.6.0<=11.6.3.2
f5 big-ip application acceleration manager>=12.1.0<=12.1.3.5
f5 big-ip application acceleration manager>=13.0.0<=13.1.0.7
f5 big-ip application acceleration manager>=14.0.0<=14.0.0.2
F5 BIG-IP Analytics>=11.2.1<=11.5.6
F5 BIG-IP Analytics>=11.6.0<=11.6.3.2
F5 BIG-IP Analytics>=12.1.0<=12.1.3.5
F5 BIG-IP Analytics>=13.0.0<=13.1.0.7
F5 BIG-IP Analytics>=14.0.0<=14.0.0.2
F5 Access Policy Manager>=11.2.1<=11.5.6
F5 Access Policy Manager>=11.6.0<=11.6.3.2
F5 Access Policy Manager>=12.1.0<=12.1.3.5
F5 Access Policy Manager>=13.0.0<=13.1.0.7
F5 Access Policy Manager>=14.0.0<=14.0.0.2
F5 BIG-IP Protocol Security Manager>=11.2.1<=11.5.6
F5 BIG-IP Protocol Security Manager>=11.6.0<=11.6.3.2
F5 BIG-IP Protocol Security Manager>=12.1.0<=12.1.3.5
F5 BIG-IP Protocol Security Manager>=13.0.0<=13.1.0.7
F5 BIG-IP Protocol Security Manager>=14.0.0<=14.0.0.2
f5 big-ip domain name system>=11.2.1<=11.5.6
f5 big-ip domain name system>=11.6.0<=11.6.3.2
f5 big-ip domain name system>=12.1.0<=12.1.3.5
f5 big-ip domain name system>=13.0.0<=13.1.0.7
f5 big-ip domain name system>=14.0.0<=14.0.0.2
F5 BIG-IP Edge Gateway>=11.2.1<=11.5.6
F5 BIG-IP Edge Gateway>=11.6.0<=11.6.3.2
F5 BIG-IP Edge Gateway>=12.1.0<=12.1.3.5
F5 BIG-IP Edge Gateway>=13.0.0<=13.1.0.7
F5 BIG-IP Edge Gateway>=14.0.0<=14.0.0.2
F5 BIG-IP fraud protection services>=11.2.1<=11.5.6
F5 BIG-IP fraud protection services>=11.6.0<=11.6.3.2
F5 BIG-IP fraud protection services>=12.1.0<=12.1.3.5
F5 BIG-IP fraud protection services>=13.0.0<=13.1.0.7
F5 BIG-IP fraud protection services>=14.0.0<=14.0.0.2
F5 BIG-IP Global Traffic Manager>=11.2.1<=11.5.6
F5 BIG-IP Global Traffic Manager>=11.6.0<=11.6.3.2
F5 BIG-IP Global Traffic Manager>=12.1.0<=12.1.3.5
F5 BIG-IP Global Traffic Manager>=13.0.0<=13.1.0.7
F5 BIG-IP Global Traffic Manager>=14.0.0<=14.0.0.2
F5 BIG-IP>=11.2.1<=11.5.6
F5 BIG-IP>=11.6.0<=11.6.3.2
F5 BIG-IP>=12.1.0<=12.1.3.5
F5 BIG-IP>=13.0.0<=13.1.0.7
F5 BIG-IP>=14.0.0<=14.0.0.2
F5 BIG-IP Policy Enforcement Manager>=11.2.1<=11.5.6
F5 BIG-IP Policy Enforcement Manager>=11.6.0<=11.6.3.2
F5 BIG-IP Policy Enforcement Manager>=12.1.0<=12.1.3.5
F5 BIG-IP Policy Enforcement Manager>=13.0.0<=13.1.0.7
F5 BIG-IP Policy Enforcement Manager>=14.0.0<=14.0.0.2
F5 BIG-IP WebAccelerator>=11.2.1<=11.5.6
F5 BIG-IP WebAccelerator>=11.6.0<=11.6.3.2
F5 BIG-IP WebAccelerator>=12.1.0<=12.1.3.5
F5 BIG-IP WebAccelerator>=13.0.0<=13.1.0.7
F5 BIG-IP WebAccelerator>=14.0.0<=14.0.0.2
F5 Enterprise Manager=3.1.1
F5 BIG-IP and BIG-IQ Centralized Management>=5.0.0<=5.4.0
F5 BIG-IP and BIG-IQ Centralized Management>=6.0.0<=6.0.1
F5 BIG-IP and BIG-IQ Centralized Management=4.6.0
F5 BIG-IQ Cloud and Orchestration=1.0.0
F5 iWorkflow>=2.0.1<=2.3.0

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Frequently Asked Questions

  • What is the severity of CVE-2018-15322?

    CVE-2018-15322 is rated as critical due to the potential for privileged escalation by users with tmsh access.

  • How do I fix CVE-2018-15322?

    To fix CVE-2018-15322, upgrade your F5 BIG-IP to a patched version as recommended in the vendor's advisory.

  • Which versions are impacted by CVE-2018-15322?

    CVE-2018-15322 affects specific versions of F5 BIG-IP ranging from 11.2.1 to 14.0.0-14.0.0.2.

  • What is the impact of CVE-2018-15322 on my system?

    The impact of CVE-2018-15322 allows unauthorized escalation of privileges, potentially compromising the management of the BIG-IP system.

  • Is there a workaround for CVE-2018-15322?

    No specific workaround for CVE-2018-15322 is recommended; updating to a secure version is the only solution.

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