[ MDKSA-2007:239 ] - Updated heimdal packages fix potential vulnerability

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Mandriva Linux Security Advisory MDKSA-2007:239
http://www.mandriva.com/security/

Package : heimdal
Date : December 6, 2007
Affected: Corporate 4.0

Problem Description:

It was found that the gss_userok() function in Heimdal 0.7.2 did not
allocate memory for the ticketfile pointer before calling free(), which
could possibly allow remote attackers to have an unknown impact via an
invalid username. It is uncertain whether or not this is exploitable,
however packages are being provided regardless.

The updated packages have been patched to correct these issues.

References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5939

Updated Packages:

Corporate 4.0:
be6d53b523a2e480ad3c4ff5c06b3224 corporate/4.0/i586/heimdal-devel-0.7.2-8.1.20060mlcs4.i586.rpm
54bf58397e29abfde02df9136030d9f2 corporate/4.0/i586/heimdal-libs-0.7.2-8.1.20060mlcs4.i586.rpm
fa75b430132836b44f23b381f11a52f3 corporate/4.0/i586/heimdal-server-0.7.2-8.1.20060mlcs4.i586.rpm
f0dffddcb8aa0806c5e2da2f6e8c970e corporate/4.0/i586/heimdal-workstation-0.7.2-8.1.20060mlcs4.i586.rpm
a1f928c65de872d4a289bc74a89a4edd corporate/4.0/SRPMS/heimdal-0.7.2-8.1.20060mlcs4.src.rpm

Corporate 4.0/X86_64:
f4264a1969969c148229bf5a266f10cb corporate/4.0/x86_64/heimdal-devel-0.7.2-8.1.20060mlcs4.x86_64.rpm
ac602c09873863c130a9b68dacfd26c8 corporate/4.0/x86_64/heimdal-libs-0.7.2-8.1.20060mlcs4.x86_64.rpm
61f2cb03ae15b3fe7e7a5dcab47a9c16 corporate/4.0/x86_64/heimdal-server-0.7.2-8.1.20060mlcs4.x86_64.rpm
9399188193c5d5018878f55328c72b09 corporate/4.0/x86_64/heimdal-workstation-0.7.2-8.1.20060mlcs4.x86_64.rpm
a1f928c65de872d4a289bc74a89a4edd corporate/4.0/SRPMS/heimdal-0.7.2-8.1.20060mlcs4.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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