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To improve our services to our customers, we have made a number of
additions to the Secunia Advisories and have started translating the
advisories to German.

The improvements will help our customers to get a better
understanding of how we reached our conclusions, how it was rated,
our thoughts on exploitation, attack vectors, and scenarios.

This includes:
* Reason for rating
* Extended description
* Extended solution
* Exploit code or links to exploit code
* Deep links

Read the full description:
http://corporate.secunia.com/products/48/?r=l

Contact Secunia Sales for more information:
http://corporate.secunia.com/how_to_buy/15/?r=l

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TITLE:
OpenBSD ELF ld.so Environment Cleaning Vulnerability

SECUNIA ADVISORY ID:
SA22993

VERIFY ADVISORY:
http://secunia.com/advisories/22993/

CRITICAL:
Less critical

IMPACT:
Security Bypass

WHERE:
Local system

OPERATING SYSTEM:
OpenBSD 4.0
http://secunia.com/product/12486/
OpenBSD 3.x
http://secunia.com/product/100/

DESCRIPTION:
A vulnerability has been reported in OpenBSD, which can be exploited
by malicious, local users to bypass certain security restrictions.

The vulnerability is caused due to ELF ld.so failing to properly
sanitise the environment.

SOLUTION:
Apply patch.

OpenBSD 4.0:
ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.0/common/005_ldso.patch

OpenBSD 3.9:
ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/016_ldso.patch

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://www.openbsd.org/errata.html#ldso

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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.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://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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