Open 1x Xsupplicant eap_do_notify() function buffer overflow
| xsupplicant-eapdo-bo (29902) |  High Risk |
Description:
Open 1x Xsupplicant is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the eap_do_notify() function. By sending a specially-crafted EAP packet, a remote authenticated attacker could overflow a buffer and execute arbitrary code on the system with root privileges.
*CVSS:
| Base Score: | 6 |
| Access Vector: | Remote |
| Access Complexity: | Low |
| Authentication: | Required |
| Confidentiality Impact: | Complete |
| Integrity Impact: | Complete |
| Availability Impact: | Complete |
| Temporal Score: | 4.4 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Access
Remedy:
Upgrade to the latest version of Xsupplicant (1.2.8 or later), available from the SourceForge.net Web site. See References.
References:
- SourceForge.net: Open1x - Xsupplicant.
- SourceForge.net: Files: Open1x - File Release Notes and Changelog - Release Name: Xsupplicant 1.2.6.
- BID-20775: Xsupplicant Stack Buffer Overflow Vulnerability
- CVE-2006-5601: Stack-based buffer overflow in the eap_do_notify function in eap.c in xsupplicant before 1.2.6, and possibly other versions, allows remote authenticated users to execute arbitrary code via unspecified vectors.
- MDKSA-2006:189: Updated xsupplicant fixes possible remote root stack smash vulnerability
- SA22612: Xsupplicant "eap_do_notify()" Buffer Overflow Vulnerability
- SUSE-SR:2007:001: SUSE Security Summary Report
- VUPEN/ADV-2006-4233: Open1x Xsupplicant Unspecified Request Handling Code Execution Vulnerability
Platforms Affected:
- MandrakeSoft Mandrake Linux 2006 X86_64
- MandrakeSoft Mandrake Linux 2006
- MandrakeSoft Mandrake Linux 2007
- MandrakeSoft Mandrake Linux 2007 X86_64
- Xsupplicant Xsupplicant 1.2.5 and prior
Reported:
Oct 30, 2006
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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.