Broadcom BCMWL5.SYS buffer overflow
| broadcom-bcmwl5-bo (30202) |  High Risk |
Description:
The Broadcom BCMWL5.SYS wireless device driver is vulnerable to a stack-based buffer overflow, caused by improper handling of 802.11 probe responses. By sending a request containing an overly long SSID field, a remote attacker could overflow a buffer and execute arbitrary code on the system.
*CVSS:
| Base Score: | 10 |
| Access Vector: | Remote |
| Access Complexity: | Low |
| Authentication: | Not Required |
| Confidentiality Impact: | Complete |
| Integrity Impact: | Complete |
| Availability Impact: | Complete |
| Temporal Score: | 8.3 |
| Exploitability: | Functional |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Access
Remedy:
For Linksys:
Upgrade to the latest driver version (4.100.15.5 or later), available from the Linksys WPC300N Web site. See References.
For Zonet:
Upgrade to the latest driver version available from the Zonet Web site. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- Linksys WPC300N Web site: Linksys.com Downloads/Drivers.
- MOKB-11-11-2006: Broadcom Wireless Driver Probe Response SSID Overflow.
- Zonet Web site: Welcome to Zonet.
- CVE-2006-5882: Stack-based buffer overflow in the Broadcom BCMWL5.SYS wireless device driver 3.50.21.10, as used in Cisco Linksys WPC300N Wireless-N Notebook Adapter before 4.100.15.5 and other products, allows remote attackers to execute arbitrary code via an 802.11 response frame containing a long SSID field.
- SA22831: Broadcom Wireless Driver Probe Response SSID Buffer Overflow
- SECTRACK ID: 1017212: Broadcom Wireless Device Driver SSID Buffer Overflow Lets Remote Users Execute Arbitrary Code
- US-CERT VU#209376: Broadcom wireless driver fails to properly process 802.11 probe response frames
- VUPEN/ADV-2006-4459: Broadcom Wireless Device Driver SSID Remote Buffer Overflow Vulnerability
- VUPEN/ADV-2006-4460: Linksys WPC300N Wireless-N Notebook Adapter Buffer Overflow Vulnerability
Platforms Affected:
- Broadcom Wireless Device Driver 3.50.21.10
- Linksys WPC300N Wireless-N Notebook Adapter Driver
Reported:
Nov 11, 2006
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 the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email xforce@iss.net
* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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.