medium
6.5
CWE
399 20
Advisory Published
Updated

CVE-2016-9194: Input Validation

First published: Thu Apr 06 2017(Updated: )

A vulnerability in 802.11 Wireless Multimedia Extensions (WME) action frame processing in Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition. The vulnerability is due to incomplete input validation of the 802.11 WME packet header. An attacker could exploit this vulnerability by sending malformed 802.11 WME frames to a targeted device. A successful exploit could allow the attacker to cause the WLC to reload unexpectedly. The fixed versions are 8.0.140.0, 8.2.130.0, and 8.3.111.0. Cisco Bug IDs: CSCva86353.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Wireless LAN Controllers=5.2.157.0
Cisco Wireless LAN Controllers=5.2.169.0
Cisco Wireless LAN Controllers=6.0_base
Cisco Wireless LAN Controllers=7.0_base
Cisco Wireless LAN Controllers=7.1_base
Cisco Wireless LAN Controllers=7.2_base
Cisco Wireless LAN Controllers=7.3.101.0
Cisco Wireless LAN Controllers=7.3.103.8
Cisco Wireless LAN Controllers=7.3.112
Cisco Wireless LAN Controllers=7.3_base
Cisco Wireless LAN Controllers=7.4.1.1
Cisco Wireless LAN Controllers=7.4.100
Cisco Wireless LAN Controllers=7.4.100.60
Cisco Wireless LAN Controllers=7.4.110.0
Cisco Wireless LAN Controllers=7.4.121.0
Cisco Wireless LAN Controllers=7.4_base
Cisco Wireless LAN Controllers=7.5.102.0
Cisco Wireless LAN Controllers=7.5.102.11
Cisco Wireless LAN Controllers=7.5_base
Cisco Wireless LAN Controllers=7.6.1.62
Cisco Wireless LAN Controllers=7.6.100.0
Cisco Wireless LAN Controllers=7.6.110.0
Cisco Wireless LAN Controllers=7.6.120.0
Cisco Wireless LAN Controllers=7.6.130.0
Cisco Wireless LAN Controllers=8.0.0
Cisco Wireless LAN Controllers=8.0.0.30220.385
Cisco Wireless LAN Controllers=8.0.72.140
Cisco Wireless LAN Controllers=8.0.100
Cisco Wireless LAN Controllers=8.0.115.0
Cisco Wireless LAN Controllers=8.0.120.0
Cisco Wireless LAN Controllers=8.0.121.0
Cisco Wireless LAN Controllers=8.1.0
Cisco Wireless LAN Controllers=8.1.104.37
Cisco Wireless LAN Controllers=8.1.111.0
Cisco Wireless LAN Controllers=8.1.122.0
Cisco Wireless LAN Controllers=8.1.130.0
Cisco Wireless LAN Controller software 6.0=182.0
Cisco Wireless LAN Controller software 6.0=188.0
Cisco Wireless LAN Controller software 6.0=196.0
Cisco Wireless LAN Controller software 6.0=199.4
Cisco Wireless LAN Controller software 6.0=202.0
Cisco Wireless LAN Controller software 7.0=98.0
Cisco Wireless LAN Controller software 7.0=98.218
Cisco Wireless LAN Controller software 7.0=116.0
Cisco Wireless LAN Controller software 7.0=220.0
Cisco Wireless LAN Controller software 7.0=240.0
Cisco Wireless LAN Controller software 7.0=250.0
Cisco Wireless LAN Controller software 7.0=252.0
Cisco Wireless LAN Controller 7.1=91.0
Cisco Wireless LAN Controller software 7.2=103.0
Cisco Wireless LAN Controller software 7.4=1.19
Cisco Wireless LAN Controller software 7.4=1.54
Cisco Wireless LAN Controller software 7.4=140.0

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2016-9194?

    CVE-2016-9194 has a severity rating that allows an unauthenticated, adjacent attacker to cause a denial of service condition.

  • How do I fix CVE-2016-9194?

    To fix CVE-2016-9194, you should upgrade to the latest version of the Cisco Wireless LAN Controller software that addresses this vulnerability.

  • What type of attack can CVE-2016-9194 facilitate?

    CVE-2016-9194 can facilitate a denial of service attack against affected Cisco Wireless LAN Controllers.

  • Which devices are affected by CVE-2016-9194?

    CVE-2016-9194 affects various versions of Cisco Wireless LAN Controller software, including versions 5.2.157.0, 6.0_base, and all 7.x and 8.x series.

  • Is authentication required to exploit CVE-2016-9194?

    No, CVE-2016-9194 can be exploited by an unauthenticated attacker who is adjacent to the network.

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