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Secunia Security Advisory 14978

Secunia Security Advisory 14978
Posted May 27, 2005
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Overflow.pl has discovered a security issue in libsafe, which can be exploited by malicious people to bypass the security mechanism.

tags | advisory, overflow
SHA-256 | 7d5eebe6bb0d042478779e6ad8d99d9dbce526c24880f47f4c41dcd02714af52

Secunia Security Advisory 14978

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TITLE:
libsafe Race Condition Protection Mechanism Bypass

SECUNIA ADVISORY ID:
SA14978

VERIFY ADVISORY:
http://secunia.com/advisories/14978/

CRITICAL:
Less critical

IMPACT:
Security Bypass

WHERE:
>From remote

SOFTWARE:
libsafe 2.x
http://secunia.com/product/4929/

DESCRIPTION:
"Overflow.pl" has discovered a security issue in libsafe, which can
be exploited by malicious people to bypass the security mechanism.

The security issue is caused due to a race condition when processing
simultaneous attacks in separated threads. This can be exploited to
bypass the protection mechanism in a multi-threaded application
linked against the vulnerable library.

The security issue has been confirmed in version 2.0-16. Other
versions may also be affected.

SOLUTION:
Don't rely solely on the protection mechanism to prevent exploitation
(especially in multi-threaded applications).

PROVIDED AND/OR DISCOVERED BY:
"Overflow.pl"

ORIGINAL ADVISORY:
http://www.overflow.pl/adv/libsafebypass.txt

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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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