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TITLE:
FreeRADIUS Potential SQL Injection and Buffer Overflow
Vulnerabilities

SECUNIA ADVISORY ID:
SA15361

VERIFY ADVISORY:
http://secunia.com/advisories/15361/

CRITICAL:
Less critical

IMPACT:
Unknown, Manipulation of data

WHERE:
>From remote

SOFTWARE:
FreeRADIUS 1.x
http://secunia.com/product/3921/

DESCRIPTION:
Primoz Bratanic has reported some vulnerabilities in FreeRADIUS,
where one has an unknown impact and the others potentially can be
exploited by malicious users to conduct SQL injection attacks.

1) A boundary error in the "sql_escape_func()" function in rlm_sql.c
can potentially be exploited to cause a buffer overflow via specially
crafted input that needs escaping.

It has been speculated that successful exploitation may allow
execution of arbitrary code, but this has not been proven.

2) Missing sanitation when calling the "radius_xlat()" function in
rlm_sql.c can potentially be exploited by authenticated users to
manipulate SQL queries by injecting arbitrary SQL code.

SOLUTION:
The SQL injection vulnerabilities have been fixed in the CVS
repository. The buffer overflow vulnerability has not currently been
fixed.

PROVIDED AND/OR DISCOVERED BY:
Primoz Bratanic

ORIGINAL ADVISORY:
Gentoo:
http://security.gentoo.org/glsa/glsa-200505-13.xml

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