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TITLE:
Firebird "username" Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA28596

VERIFY ADVISORY:
http://secunia.com/advisories/28596/

CRITICAL:
Moderately critical

IMPACT:
DoS, System access

WHERE:
>From local network

SOFTWARE:
Firebird 2.x
http://secunia.com/product/11516/
Firebird 1.x
http://secunia.com/product/1449/

DESCRIPTION:
A vulnerability has been reported in Firebird, which can potentially
be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to a boundary error within the
processing of usernames and can be exploited to cause a stack-based
buffer overflow via an overly long username.

Successful exploitation may allow execution of arbitrary code.

The vulnerability affects version 2.1 Beta 2, 2.0.3, 2.0.2, 2.0.0,
1.0.3, 2.1 Beta 1, 2.1 Alpha 1, 2.0.1, and 1.5.4.

SOLUTION:
The vulnerability is fixed in version 2.1 RC1.

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

ORIGINAL ADVISORY:
http://sourceforge.net/project/shownotes.php?group_id=9028&release_id=570800
http://tracker.firebirdsql.org/browse/CORE-1603

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


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use those supplied by the vendor.

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