high
7.5
CWE
476
Advisory Published
CVE Published
Updated

CVE-2023-22839: Null Pointer Dereference

First published: Wed Feb 01 2023(Updated: )

On BIG-IP versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.8.1, 14.1.x before 14.1.5.3, and all version of 13.1.x, when a DNS profile with the Rapid Response Mode setting enabled is configured on a virtual server with hardware SYN cookies enabled, undisclosed requests cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
F5 BIG-IP (DNS, LTM enabled with DNS Services license)=17.0.0
17.1.0
F5 BIG-IP (DNS, LTM enabled with DNS Services license)>=16.1.0<=16.1.3
16.1.3.3
F5 BIG-IP (DNS, LTM enabled with DNS Services license)>=15.1.0<=15.1.8
15.1.8.1
F5 BIG-IP (DNS, LTM enabled with DNS Services license)>=14.1.0<=14.1.5
14.1.5.3
F5 BIG-IP (DNS, LTM enabled with DNS Services license)>=13.1.0<=13.1.5
F5 BIG-IP>=13.1.0<=13.1.5
F5 BIG-IP>=14.1.0<14.1.5.3
F5 BIG-IP>=15.1.0<15.1.7
F5 BIG-IP>=16.1.0<16.1.3.3
F5 BIG-IP>=17.0.0<17.0.0.2
Riverbed SteelApp Traffic Manager>=13.1.0<=13.1.5
Riverbed SteelApp Traffic Manager>=14.1.0<14.1.5.3
Riverbed SteelApp Traffic Manager>=15.1.0<15.1.7
Riverbed SteelApp Traffic Manager>=16.1.0<16.1.3.3
Riverbed SteelApp Traffic Manager>=17.0.0<17.0.0.2
F5 BIG-IP 10000s
F5 BIG-IP
F5 BIG-IP 10200v-F firmware
F5 BIG-IP 10200v-S Firmware
f5 BIG-IP 10200v-ssl
F5 BIG-IP
F5 BIG-IP 12000 firmware
F5 BIG-IP
f5 BIG-IP 5000s
F5 BIG-IP 5000s
F5 BIG-IP 5200v
F5 BIG-IP
f5 BIG-IP 5200v-ssl
F5 BIG-IP 5200v-ssl
F5 BIG-IP 7000s
F5 BIG-IP 7000s Firmware
F5 BIG-IP 7200v-F firmware
F5 BIG-IP 7200v
F5 BIG-IP 7200v-ssl
F5 BIG-IP i7200v-ssl
F5 BIG-IP i10600 Firmware
F5 BIG-IP i10600 Firmware
F5 BIG-IP i10800 Firmware
F5 BIG-IP i10800 Firmware
F5 BIG-IP i11600 Firmware
F5 BIG-IP i11600 Firmware
F5 BIG-IP i11800 Firmware
F5 BIG-IP i11800 Firmware
F5 BIG-IP i15600 Firmware
F5 BIG-IP i15600 Firmware
F5 BIG-IP i15800 firmware
F5 BIG-IP i15800 firmware
F5 BIG-IP i5600 Firmware
F5 BIG-IP i5600 Firmware
F5 BIG-IP i5800 Firmware
F5 BIG-IP i5800 Firmware
F5 BIG-IP i7600 Firmware
F5 BIG-IP i7600 Firmware
F5 BIG-IP i7800 Firmware
F5 BIG-IP i7800 Firmware
F5 R10600 Firmware
F5 R10600 Firmware
F5 R10800 Firmware
F5 R10800 Firmware
F5 R10900 Firmware
F5 R10900 Firmware
F5 R5600
F5
F5 R5800
F5
F5 R5900
F5 R5900
F5 VELOS BX110
F5 Velos BX110 Firmware
F5 VIPRION B2100
F5 VIPRION B2100 Firmware
F5 VIPRION B2150
F5 VIPRION B2150
F5 VIPRION B2250
F5 VIPRION B2250 Firmware
F5 VIPRION B4300 Firmware
F5 VIPRION B4300 Firmware
F5 VIPRION B4450
F5 VIPRION B4450 Firmware

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Reference Links

Frequently Asked Questions

  • What versions of F5 BIG-IP are affected by CVE-2023-22839?

    F5 BIG-IP versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.8.1, 14.1.x before 14.1.5.3, and all versions of 13.1.x are affected.

  • What is the severity of CVE-2023-22839?

    The severity of CVE-2023-22839 has not been disclosed, but it potentially affects core functionalities of the affected systems.

  • How do I fix CVE-2023-22839?

    To fix CVE-2023-22839, upgrade to the recommended patched versions: 17.0.0.2, 16.1.3.3, 15.1.8.1, or 14.1.5.3.

  • What is the impact of CVE-2023-22839?

    The impact of CVE-2023-22839 involves potential disruption to DNS services when the Rapid Response Mode setting is enabled.

  • Is there a workaround for CVE-2023-22839?

    Disabling the Rapid Response Mode setting on affected DNS profiles may serve as a temporary workaround for CVE-2023-22839.

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