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     áòèé÷ :: Security-alerts
Security-Alerts mailing list archive (security-alerts@yandex-team.ru)

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[security-alerts] FW: [SA23073] Linux Kernel "get_fdb_entries()" Integer Overflow Vulnerability



> ----------------------------------------------------------------------
> 
> TITLE:
> Linux Kernel "get_fdb_entries()" Integer Overflow Vulnerability
> 
> SECUNIA ADVISORY ID:
> SA23073
> 
> VERIFY ADVISORY:
> http://secunia.com/advisories/23073/
> 
> CRITICAL:
> Less critical
> 
> IMPACT:
> Privilege escalation
> 
> WHERE:
> Local system
> 
> OPERATING SYSTEM:
> Linux Kernel 2.6.x
> http://secunia.com/product/2719/
> 
> DESCRIPTION:
> Eugene Teo has reported a vulnerability in the Linux Kernel, which
> potentially can be exploited by malicious, local users to gain
> escalated privileges.
> 
> The vulnerability is caused due to an integer overflow within the
> "get_fdb_entries()" function in net/bridge/br_ioctl.c. This can be
> exploited to cause a buffer overflow via specially crafted ioctl()
> requests.
> 
> Successful exploitation may allow the execution of arbitrary code
> with escalated privileges.
> 
> SOLUTION:
> Update to version 2.6.18.4 or 2.6.19.
> 
> PROVIDED AND/OR DISCOVERED BY:
> Reported by Eugene Teo, further research by a1rsupp1y.
> 
> ORIGINAL ADVISORY:
> http://projects.info-pull.com/mokb/MOKB-29-11-2006.html
> 
> http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.18.4
> 



 




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