MadWifi WPA weak security

madwifi-wpa-weak-security (33514) The risk level is classified as LowLow Risk

Description:

MadWifi could provide weaker than expected security restrictions, caused by an error in the ieee80211_output.c source file. Unencrypted packets are sent before WPA authentication finishes. A remote attacker could exploit this vulnerability to obtain sensitive information or cause a denial of service.

*CVSS:

Base Score: 5.3
  Access Vector: Remote
  Access Complexity: Low
  Authentication: Not Required
  Confidentiality Impact: Partial
  Integrity Impact: None
  Availability Impact: Partial
 
Temporal Score: 3.9
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Bypass Security

Remedy:

Upgrade to the latest version of MadWifi (0.9.3 or later), available from the MadWifi Web site. See References.

For Mandriva Linux:
Refer to MDKSA-2007:082 for patch, upgrade, or suggested workaround information. See References.

For Gentoo Linux:
Refer to Gentoo Linux Security Announcement GLSA 200704-15 for patch, upgrade, or suggested workaround information. See References.

For Ubuntu Linux:
Refer to USN-479-1 for patch, upgrade, or suggested workaround information. See References.

For SUSE Linux:
Refer to SUSE-SR:2007-014 for patch, upgrade, or suggested workaround information. See References.

For other distributions:
Contact your vendor for upgrade or patch information.

References:

  • MadWifi Ticket #967: [patch] unencrypted data packets are sent before WPA authentication succeeds.
  • MadWifi Web site: Release v.0.9.3.
  • BID-23434: MADWiFi IEEE80211_Output.C Unencrypted Data Packet Multiple Vulnerabilities
  • CVE-2006-7180: ieee80211_output.c in MadWifi before 0.9.3 sends unencrypted packets before WPA authentication succeeds, which allows remote attackers to obtain sensitive information (related to network structure), and possibly cause a denial of sevice (disrupted authentication) and conduct spoofing attacks.
  • GLSA-200704-15: MadWifi: Multiple vulnerabilities
  • MDKSA-2007:082: Updated madwifi-source
  • OSVDB ID: 33515: madwifi Multiple Unspecified Issues
  • SA24670: MadWifi Denial of Service and Information Disclosure Vulnerabilities
  • SUSE-SR:2007:014: SUSE Security Summary Report
  • USN-479-1: MadWifi vulnerabilities
  • VUPEN/ADV-2007-1187: MadWifi Multiple Remote Denial of Service and Information Disclosure Vulnerabilities

Platforms Affected:

  • Canonical Ubuntu 6.06 LTS
  • Canonical Ubuntu 6.10
  • Canonical Ubuntu 7.04
  • Gentoo Linux
  • Madwifi Driver Madwifi Driver 0.9.2 and prior
  • MandrakeSoft Mandrake Linux 2007
  • MandrakeSoft Mandrake Linux 2007 X86_64
  • MandrakeSoft Mandrake Linux 2007.1 X86_64
  • MandrakeSoft Mandrake Linux 2007.1
  • MandrakeSoft Mandrake Linux 2008.0 X86_64
  • SuSE SuSE Linux Desktop 10.0

Reported:

Oct 19, 2006

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For corrections or additions please email xforce@iss.net

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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