Secunia Security Advisory - Dan Rosenberg has reported a vulnerability in NetBSD, which can be exploited by malicious, local users to disclose system information.
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TITLE:
NetBSD CODA Filesystem Kernel Memory Information Disclosure
Vulnerability
SECUNIA ADVISORY ID:
SA41166
VERIFY ADVISORY:
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http://secunia.com/advisories/41166/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=41166
RELEASE DATE:
2010-08-27
DISCUSS ADVISORY:
http://secunia.com/advisories/41166/#comments
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http://secunia.com/advisories/41166/
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https://ca.secunia.com/?page=viewadvisory&vuln_id=41166
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DESCRIPTION:
Dan Rosenberg has reported a vulnerability in NetBSD, which can be
exploited by malicious, local users to disclose system information.
The vulnerability is caused due to a signedness error in the CODA
filesystem kernel module when handling the size members of the
ViceIoctl structure and can be exploited to read kernel memory.
The vulnerability is reported in the following versions:
* NetBSD-current prior to July 20, 2010
* NetBSD 5.0.2
* NetBSD 5.0.1
* NetBSD 5.0
* NetBSD 4.0.1
* NetBSD 4.0
SOLUTION:
Fixed in the CVS repository.
PROVIDED AND/OR DISCOVERED BY:
Dan Rosenberg
ORIGINAL ADVISORY:
NetBSD:
http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2010-006.txt.asc
Dan Rosenberg:
http://www.vsecurity.com/advisory/20100816-1.txt
OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
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