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Mandriva Linux Security Advisory 2012-168

Mandriva Linux Security Advisory 2012-168
Posted Oct 23, 2012
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2012-168 - hostapd 0.7.3, and possibly other versions before 1.0, uses 0644 permissions for /etc/hostapd/hostapd.conf, which might allow local users to obtain sensitive information such as credentials. Heap-based buffer overflow in the eap_server_tls_process_fragment function in eap_server_tls_common.c in the EAP authentication server in hostapd 0.6 through 1.0 allows remote attackers to cause a denial of service via a small TLS Message Length value in an EAP-TLS message with the More Fragments flag set. The updated packages have been patched to correct these issues.

tags | advisory, remote, denial of service, overflow, local
systems | linux, mandriva
advisories | CVE-2012-2389, CVE-2012-4445
MD5 | 0ffae9973194132f657afdcf8e09387e

Mandriva Linux Security Advisory 2012-168

Change Mirror Download
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Hash: SHA1

_______________________________________________________________________

Mandriva Linux Security Advisory MDVSA-2012:168
http://www.mandriva.com/security/
_______________________________________________________________________

Package : hostapd
Date : October 22, 2012
Affected: 2011.
_______________________________________________________________________

Problem Description:

Multiple vulnerabilities has been discovered and corrected in hostapd:

hostapd 0.7.3, and possibly other versions before 1.0, uses 0644
permissions for /etc/hostapd/hostapd.conf, which might allow
local users to obtain sensitive information such as credentials
(CVE-2012-2389).

Heap-based buffer overflow in the eap_server_tls_process_fragment
function in eap_server_tls_common.c in the EAP authentication server
in hostapd 0.6 through 1.0 allows remote attackers to cause a denial
of service (crash or abort) via a small TLS Message Length value in
an EAP-TLS message with the More Fragments flag set (CVE-2012-4445).

The updated packages have been patched to correct these issues.
_______________________________________________________________________

References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2389
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-4445
_______________________________________________________________________

Updated Packages:

Mandriva Linux 2011:
8fa9981eaf73dd9e84b62b42e300211a 2011/i586/hostapd-0.7.3-2.3-mdv2011.0.i586.rpm
912f917c8f0d5c8d146d544f9099cc29 2011/SRPMS/hostapd-0.7.3-2.3.src.rpm

Mandriva Linux 2011/X86_64:
4d692e59b6e55c1cc9292315fcc0570a 2011/x86_64/hostapd-0.7.3-2.3-mdv2011.0.x86_64.rpm
912f917c8f0d5c8d146d544f9099cc29 2011/SRPMS/hostapd-0.7.3-2.3.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/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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