FreeRADIUS sql_escape_func function buffer overflow
| freeradius-sqlescapefunc-bo (20450) |  High Risk |
Description:
FreeRADIUS is vulnerable to a buffer overflow caused by improper bounds checking of user-supplied input in the sql_escape_func() function. A remote attacker could cause a denial of service or possibly use this vulnerability to overflow a buffer and execute arbitrary code on the system.
Platforms Affected:
- FreeRADIUS, FreeRADIUS 1.0.2
- Gentoo, Linux
- RedHat, Enterprise Linux 3 AS
- RedHat, Enterprise Linux 3 ES
- RedHat, Enterprise Linux 4 ES
- RedHat, Enterprise Linux 4 AS
- SuSE, SuSE Linux
Remedy:
Upgrade to the latest version of FreeRADIUS (1.0.3 or later), available from the FreeRADIUS Web site. See References.
For SuSE Linux:
Apply the appropriate fixed packages via the SuSE FTP server or the YaST Online Update, as listed in SuSE Security Summary Report SUSE-SR:2004:002. See References.
For Gentoo Linux:
Upgrade tot he latest version of freeradius (1.0.2-r4 or later), as listed in Gentoo Linux Security Announcement GLSA 2005-05-13. See References.
For Red Hat Linux:
Refer to RHSA-2005:524-05 for patch, upgrade, or suggested workaround information. See References.
Consequences:
Gain Access
References:
- Debian Bug report logs - #307720, freeradius: Few possible security problems at http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=307720.
- FreeRADIUS Web site, FreeRADIUS -- building the perfect RADIUS server at http://www.freeradius.org/.
- FreeRADIUS Web site, FreeRADIUS -- Security Contacts and notifications at http://www.freeradius.org/security.html.
- BID-13541: FreeRadius RLM_SQL.C Buffer Overflow Vulnerability
- CVE-2005-1455: Buffer overflow in the sql_escape_func function in the SQL module for FreeRADIUS 1.0.2 and earlier allows remote attackers to cause a denial of service (crash).
- GLSA-200505-13: FreeRADIUS: SQL injection and Denial of Service vulnerability
- RHSA-2005-524: freeradius security update
- SECTRACK ID: 1013909: FreeBSD `rlm_sql.c` Contains SQL Injection and Buffer Overflow Bugs
- SUSE-SR:2005:014: SUSE Security Summary Report
Reported:
May 06, 2005
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