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Sicherheit: Zwei Probleme in gnutls
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in gnutls
ID: MDVSA-2010:089
Distribution: Mandriva
Plattformen: Mandriva Corporate 4.0
Datum: Di, 4. Mai 2010, 07:47
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3555
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-0731
Applikationen: GNU Transport Layer Security Library

Originalnachricht

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_______________________________________________________________________

Mandriva Linux Security Advisory MDVSA-2010:089
http://www.mandriva.com/security/
_______________________________________________________________________

Package : gnutls
Date : May 3, 2010
Affected: Corporate 4.0
_______________________________________________________________________

Problem Description:

Multiple vulnerabilities has been found and corrected in gnutls:

The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as
used in Microsoft Internet Information Services (IIS) 7.0, mod_ssl
in the Apache HTTP Server 2.2.14 and earlier, OpenSSL before 0.9.8l,
GnuTLS 2.8.5 and earlier, Mozilla Network Security Services (NSS)
3.12.4 and earlier, and other products, does not properly associate
renegotiation handshakes with an existing connection, which allows
man-in-the-middle attackers to insert data into HTTPS sessions,
and possibly other types of sessions protected by TLS or SSL, by
sending an unauthenticated request that is processed retroactively
by a server in a post-renegotiation context, related to a plaintext
injection attack, aka the Project Mogul issue (CVE-2009-3555).

The gnutls_x509_crt_get_serial function in the GnuTLS library before
1.2.1, when running on big-endian, 64-bit platforms, calls the
asn1_read_value with a pointer to the wrong data type and the wrong
length value, which allows remote attackers to bypass the certificate
revocation list (CRL) check and cause a stack-based buffer overflow
via a crafted X.509 certificate, related to extraction of a serial
number (CVE-2010-0731).

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

References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3555
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-0731
_______________________________________________________________________

Updated Packages:

Corporate 4.0:
7c061ed70abf51a79221b44dc94c5f92
corporate/4.0/i586/gnutls-1.0.25-2.6.20060mlcs4.i586.rpm
72135a3c3d03fa13b844c1378c16636e
corporate/4.0/i586/libgnutls11-1.0.25-2.6.20060mlcs4.i586.rpm
45d46197d16b2a614e29bf6e7d5c9e58
corporate/4.0/i586/libgnutls11-devel-1.0.25-2.6.20060mlcs4.i586.rpm
218de7295416f13d1b2ca306ede3563e
corporate/4.0/SRPMS/gnutls-1.0.25-2.6.20060mlcs4.src.rpm

Corporate 4.0/X86_64:
aade90316f03379175967f8320ba22b9
corporate/4.0/x86_64/gnutls-1.0.25-2.6.20060mlcs4.x86_64.rpm
21dd92657bb6e059281af94c72241149
corporate/4.0/x86_64/lib64gnutls11-1.0.25-2.6.20060mlcs4.x86_64.rpm
c314b0a81f8054f66904de9f0d834fe7
corporate/4.0/x86_64/lib64gnutls11-devel-1.0.25-2.6.20060mlcs4.x86_64.rpm
218de7295416f13d1b2ca306ede3563e
corporate/4.0/SRPMS/gnutls-1.0.25-2.6.20060mlcs4.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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