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Mandriva Linux Security Advisory 2011-184

Mandriva Linux Security Advisory 2011-184
Posted Dec 12, 2011
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2011-184 - The process_tgs_req function in do_tgs_req.c in the Key Distribution Center 1.9 through 1.9.2 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS request that triggers an error other than the KRB5_KDB_NOENTRY error. The updated packages have been patched to correct this issue.

tags | advisory, remote, denial of service
systems | linux, mandriva
advisories | CVE-2011-1530
MD5 | ea10a4b8eec8cf78c9936bc96b71e588

Mandriva Linux Security Advisory 2011-184

Change Mirror Download
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_______________________________________________________________________

Mandriva Linux Security Advisory MDVSA-2011:184
http://www.mandriva.com/security/
_______________________________________________________________________

Package : krb5
Date : December 12, 2011
Affected: 2011.
_______________________________________________________________________

Problem Description:

A vulnerability has been discovered and corrected in krb5:

The process_tgs_req function in do_tgs_req.c in the Key Distribution
Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.2 allows
remote authenticated users to cause a denial of service (NULL pointer
dereference and daemon crash) via a crafted TGS request that triggers
an error other than the KRB5_KDB_NOENTRY error (CVE-2011-1530).

The updated packages have been patched to correct this issue.
_______________________________________________________________________

References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1530
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-007.txt
_______________________________________________________________________

Updated Packages:

Mandriva Linux 2011:
54a83cd6cdbc7f0d8c6a42294bc113b9 2011/i586/krb5-1.9.1-1.2-mdv2011.0.i586.rpm
c31913958d5883a6dbc0325704cc39fa 2011/i586/krb5-pkinit-openssl-1.9.1-1.2-mdv2011.0.i586.rpm
946695d8f81db41d8d96dc7f042f7b5a 2011/i586/krb5-server-1.9.1-1.2-mdv2011.0.i586.rpm
8d4c45656dee7a304c2949b310e4ac15 2011/i586/krb5-server-ldap-1.9.1-1.2-mdv2011.0.i586.rpm
793a023ecb27c0da74fd5ce2d427f313 2011/i586/krb5-workstation-1.9.1-1.2-mdv2011.0.i586.rpm
21adde2be479d0d88cc4d4b4ccdc830f 2011/i586/libkrb53-1.9.1-1.2-mdv2011.0.i586.rpm
2e6fccb5bd6d4952760ea9f775cbc82f 2011/i586/libkrb53-devel-1.9.1-1.2-mdv2011.0.i586.rpm
969f9571e81879d930765641058a36d7 2011/SRPMS/krb5-1.9.1-1.2.src.rpm

Mandriva Linux 2011/X86_64:
2c955a204331355400fbb314916e08c3 2011/x86_64/krb5-1.9.1-1.2-mdv2011.0.x86_64.rpm
96830217b39f95a75c4595bad116b767 2011/x86_64/krb5-pkinit-openssl-1.9.1-1.2-mdv2011.0.x86_64.rpm
1fda8cc8c58d6b7676fda754cc94fee8 2011/x86_64/krb5-server-1.9.1-1.2-mdv2011.0.x86_64.rpm
d96a439614ec95f1382b617ce1d8fa26 2011/x86_64/krb5-server-ldap-1.9.1-1.2-mdv2011.0.x86_64.rpm
5bedc418631830dbe231dffa7fe95f69 2011/x86_64/krb5-workstation-1.9.1-1.2-mdv2011.0.x86_64.rpm
be039c2f29add507c55fa24e67f151ce 2011/x86_64/lib64krb53-1.9.1-1.2-mdv2011.0.x86_64.rpm
bafc29ad3c0bc69293b06742743dc915 2011/x86_64/lib64krb53-devel-1.9.1-1.2-mdv2011.0.x86_64.rpm
969f9571e81879d930765641058a36d7 2011/SRPMS/krb5-1.9.1-1.2.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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