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Insecure Library Loading

Secunia Advisory SA44927

NetBSD 802.11 "IEEE80211_IOC_CHANINFO" IOCTL Signedness Weakness
Secunia Advisory SA44927
Secunia VIM 4.0 - Free Trial
Release Date 2011-06-17
   
Popularity 1,214 view
Comments 0 comments

Criticality level Not criticalNot critical
Impact Exposure of system information
Where Local system
Authentication level This information is available to Secunia VIM customers
   
Report reliability This information is available to Secunia VIM customers
Solution Status Vendor Workaround
   
Systems affected This information is available to Secunia VIM customers
Approve distribution This information is available to Secunia VIM customers
   
Operating System
NetBSD 4.0
Secunia CVSS Score This information is available to Secunia VIM Customers
CVE Reference(s) No CVE references.
  

Description

A weakness has been reported in NetBSD, which can be exploited by malicious, local users to disclose certain system information.

The weakness is caused due to a signedness error in sys/net80211/ieee80211_ioctl.c when handling the "IEEE80211_IOC_CHANINFO" IOCTL and can be exploited to disclose some kernel memory.

Successful exploitation requires a non-x86 based platform.


Solution
Fixed in the CVS repository.

Provided and/or discovered by
Dan Rosenberg

Original Advisory
http://seclists.org/oss-sec/2011/q2/623

Other references
Further details available to Secunia VIM customers

Deep Links
Links available to Secunia VIM customers


Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: NetBSD 802.11 "IEEE80211_IOC_CHANINFO" IOCTL Signedness Weakness
 
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