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Mandriva Linux Security Advisory 2013-038

Mandriva Linux Security Advisory 2013-038
Posted Apr 5, 2013
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2013-038 - It was found that the unix module ignored the password expiration setting in /etc/shadow. If FreeRADIUS was configured to use this module for user authentication, this flaw could allow users with an expired password to successfully authenticate, even though their access should have been denied. Stack-based buffer overflow in the cbtls_verify function in FreeRADIUS 2.1.10 through 2.1.12, when using TLS-based EAP methods, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long not after timestamp in a client certificate.

tags | advisory, remote, denial of service, overflow, arbitrary
systems | linux, unix, mandriva
advisories | CVE-2011-4966, CVE-2012-3547
SHA-256 | 97a87842f4bb36244f5f2a4fc25aafa1b286a4047adb05026796f134d2d0bc56

Mandriva Linux Security Advisory 2013-038

Change Mirror Download
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Hash: SHA1

_______________________________________________________________________

Mandriva Linux Security Advisory MDVSA-2013:038
http://www.mandriva.com/en/support/security/
_______________________________________________________________________

Package : freeradius
Date : April 5, 2013
Affected: Business Server 1.0
_______________________________________________________________________

Problem Description:

Updated freeradius packages fixes security vulnerabilities:

It was found that the unix module ignored the password expiration
setting in /etc/shadow. If FreeRADIUS was configured to use this
module for user authentication, this flaw could allow users with
an expired password to successfully authenticate, even though their
access should have been denied (CVE-2011-4966).

Stack-based buffer overflow in the cbtls_verify function in FreeRADIUS
2.1.10 through 2.1.12, when using TLS-based EAP methods, allows remote
attackers to cause a denial of service (server crash) and possibly
execute arbitrary code via a long not after timestamp in a client
certificate (CVE-2012-3547).
_______________________________________________________________________

References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4966
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3547
https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0026
https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0304
_______________________________________________________________________

Updated Packages:

Mandriva Business Server 1/X86_64:
7c7e2933348baa889918239a1ecddd7d mbs1/x86_64/freeradius-2.1.12-9.1.mbs1.x86_64.rpm
22413d6ed1521ee7b4fa8abb92417e30 mbs1/x86_64/freeradius-krb5-2.1.12-9.1.mbs1.x86_64.rpm
064552fddc6d1ba04e28cbbe3e79782f mbs1/x86_64/freeradius-ldap-2.1.12-9.1.mbs1.x86_64.rpm
3557d331e4d4683ff318b79c4fd5e695 mbs1/x86_64/freeradius-mysql-2.1.12-9.1.mbs1.x86_64.rpm
563b827449f685503790cc3f3670d146 mbs1/x86_64/freeradius-postgresql-2.1.12-9.1.mbs1.x86_64.rpm
1c2a72e8e2e5e7978a183d7766014cad mbs1/x86_64/freeradius-sqlite-2.1.12-9.1.mbs1.x86_64.rpm
a61070cd451d188e8af898e481e70e13 mbs1/x86_64/freeradius-unixODBC-2.1.12-9.1.mbs1.x86_64.rpm
aa25e6ee7fdc4c6e47a8883501b81277 mbs1/x86_64/freeradius-web-2.1.12-9.1.mbs1.x86_64.rpm
ec45c7acb32c7d9bc9699d92be13cae6 mbs1/x86_64/lib64freeradius1-2.1.12-9.1.mbs1.x86_64.rpm
d56743bbda7c380b79c4986fe2527999 mbs1/x86_64/lib64freeradius-devel-2.1.12-9.1.mbs1.x86_64.rpm
a21a33dda35c978ed5036025079171f7 mbs1/SRPMS/freeradius-2.1.12-9.1.mbs1.src.rpm
_______________________________________________________________________

To upgrade automatically use MandrivaUpdate or urpmi. The verification
of md5 checksums and GPG signatures is performed automatically for you.

All packages are signed by Mandriva for security. You can obtain the
GPG public key of the Mandriva Security Team by executing:

gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98

You can view other update advisories for Mandriva Linux at:

http://www.mandriva.com/en/support/security/advisories/

If you want to report vulnerabilities, please contact

security_(at)_mandriva.com
_______________________________________________________________________

Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Mandriva Security Team
<security*mandriva.com>
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