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TITLE:
FreeBSD "ifconf()" Function Kernel Memory Disclosure

SECUNIA ADVISORY ID:
SA14959

VERIFY ADVISORY:
https://secunia.com/advisories/14959/

CRITICAL:
Less critical

IMPACT:
Exposure of system information, Exposure of sensitive information

WHERE:
Local system

OPERATING SYSTEM:
FreeBSD 4.x
https://secunia.com/product/139/
FreeBSD 5.x
https://secunia.com/product/1132/

DESCRIPTION:
Ilja van Sprundel has reported a vulnerability in FreeBSD, which can
be exploited by malicious, local users to gain knowledge of
potentially sensitive information.

The vulnerability is caused due to an error in the "ifconf()"
function when generating a list of network interfaces and can be
exploited to disclose kernel memory.

SOLUTION:
Update FreeBSD or apply patch.

Updated versions:
2005-04-15 01:51:44 UTC (RELENG_5, 5.4-STABLE)
2005-04-15 01:52:03 UTC (RELENG_5_4, 5.4-RELEASE)
2005-04-15 01:52:25 UTC (RELENG_5_3, 5.3-RELEASE-p9)
2005-04-15 01:52:40 UTC (RELENG_4, 4.11-STABLE)
2005-04-15 01:52:57 UTC (RELENG_4_11, 4.11-RELEASE-p3)
2005-04-15 01:53:14 UTC (RELENG_4_10, 4.10-RELEASE-p8)

Patch for FreeBSD 4.x:
ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/patches/SA-05:04/ifconf4.patch
ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/patches/SA-05:04/ifconf4.patch.asc

Patch for FreeBSD 5.3:
ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/patches/SA-05:04/ifconf5.patch
ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/patches/SA-05:04/ifconf5.patch.asc

PROVIDED AND/OR DISCOVERED BY:
Ilja van Sprundel

ORIGINAL ADVISORY:
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-05:04.ifconf.asc

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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Definitions: (Criticality, Where etc.)
https://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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