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Mandriva Linux Security Advisory 2006.161

Mandriva Linux Security Advisory 2006.161
Posted Sep 7, 2006
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory MDKSA-2006-161 - Daniel Bleichenbacher recently described an attack on PKCS #1 version 1.5 signatures where an RSA key with a small exponent used could be vulnerable to forgery of a PKCS #1 version 1.5 signature signed by that key. Any software using OpenSSL to verify X.509 certificates is potentially vulnerable to this issue, as well as any other use of PKCS #1 version 1.5, including software uses OpenSSL for SSL or TLS.

tags | advisory
systems | linux, mandriva
advisories | CVE-2006-4339
MD5 | 779e310851570485664d412935a7d63e

Mandriva Linux Security Advisory 2006.161

Change Mirror Download

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

_______________________________________________________________________

Mandriva Linux Security Advisory MDKSA-2006:161
http://www.mandriva.com/security/
_______________________________________________________________________

Package : openssl
Date : September 6, 2006
Affected: 2006.0, Corporate 3.0, Multi Network Firewall 2.0
_______________________________________________________________________

Problem Description:

Daniel Bleichenbacher recently described an attack on PKCS #1 v1.5
signatures where an RSA key with a small exponent used could be
vulnerable to forgery of a PKCS #1 v1.5 signature signed by that
key.

Any software using OpenSSL to verify X.509 certificates is potentially
vulnerable to this issue, as well as any other use of PKCS #1 v1.5,
including software uses OpenSSL for SSL or TLS.

Updated packages are patched to address this issue.
_______________________________________________________________________

References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4339
http://www.openssl.org/news/secadv_20060905.txt
_______________________________________________________________________

Updated Packages:

Mandriva Linux 2006.0:
8c5769bf04f65ba4c871556156e83a24 2006.0/RPMS/libopenssl0.9.7-0.9.7g-2.3.20060mdk.i586.rpm
f4f595e10bc3ca3f075847ac25e5d78b 2006.0/RPMS/libopenssl0.9.7-devel-0.9.7g-2.3.20060mdk.i586.rpm
448ca33d2bf74e29650a72c4324ee26d 2006.0/RPMS/libopenssl0.9.7-static-devel-0.9.7g-2.3.20060mdk.i586.rpm
1d084addaaed6cf3933e21a59c831f37 2006.0/RPMS/openssl-0.9.7g-2.3.20060mdk.i586.rpm
fffdadefbb4571005a0c48495eb9c112 2006.0/SRPMS/openssl-0.9.7g-2.3.20060mdk.src.rpm

Mandriva Linux 2006.0/X86_64:
c62f2df7b05b041498f0b8e335265d4f x86_64/2006.0/RPMS/lib64openssl0.9.7-0.9.7g-2.3.20060mdk.x86_64.rpm
3a113e1603e4827ef5ce2cc3e6fd30a8 x86_64/2006.0/RPMS/lib64openssl0.9.7-devel-0.9.7g-2.3.20060mdk.x86_64.rpm
b991400c2bc6c2f1886ed8163fc64c46 x86_64/2006.0/RPMS/lib64openssl0.9.7-static-devel-0.9.7g-2.3.20060mdk.x86_64.rpm
a1bec4a4d34fb73ea5fcd72e22a4f291 x86_64/2006.0/RPMS/openssl-0.9.7g-2.3.20060mdk.x86_64.rpm
fffdadefbb4571005a0c48495eb9c112 x86_64/2006.0/SRPMS/openssl-0.9.7g-2.3.20060mdk.src.rpm

Corporate 3.0:
89b73fa8deec7e2b87b2dc29ad854420 corporate/3.0/RPMS/libopenssl0.9.7-0.9.7c-3.5.C30mdk.i586.rpm
fad4d18975f6eba4b0534fe8b1237512 corporate/3.0/RPMS/libopenssl0.9.7-devel-0.9.7c-3.5.C30mdk.i586.rpm
3755fdc390b94c4fd3e3ccbb69e27fa4 corporate/3.0/RPMS/libopenssl0.9.7-static-devel-0.9.7c-3.5.C30mdk.i586.rpm
f1cbc11423cc40e1421b781638f1910d corporate/3.0/RPMS/openssl-0.9.7c-3.5.C30mdk.i586.rpm
2ecc834f99eceafe3567e8ed0e9277e3 corporate/3.0/SRPMS/openssl-0.9.7c-3.5.C30mdk.src.rpm

Corporate 3.0/X86_64:
f65a08626dcc23531a30f009ca6a8b52 x86_64/corporate/3.0/RPMS/lib64openssl0.9.7-0.9.7c-3.5.C30mdk.x86_64.rpm
67ac445d3ad9c1e2d19f4da624e6091f x86_64/corporate/3.0/RPMS/lib64openssl0.9.7-devel-0.9.7c-3.5.C30mdk.x86_64.rpm
70b179ba036cad4bd59d79716dd0af41 x86_64/corporate/3.0/RPMS/lib64openssl0.9.7-static-devel-0.9.7c-3.5.C30mdk.x86_64.rpm
133be57ba3ba96ca84a2d09cf661ddb8 x86_64/corporate/3.0/RPMS/openssl-0.9.7c-3.5.C30mdk.x86_64.rpm
2ecc834f99eceafe3567e8ed0e9277e3 x86_64/corporate/3.0/SRPMS/openssl-0.9.7c-3.5.C30mdk.src.rpm

Multi Network Firewall 2.0:
9c361b601f34404e9d5809a726005303 mnf/2.0/RPMS/libopenssl0.9.7-0.9.7c-3.5.M20mdk.i586.rpm
aae1f0dcdb8c3f41c417f3f4cc823363 mnf/2.0/RPMS/libopenssl0.9.7-devel-0.9.7c-3.5.M20mdk.i586.rpm
d71945758cd4cab08bba725bc7086181 mnf/2.0/RPMS/libopenssl0.9.7-static-devel-0.9.7c-3.5.M20mdk.i586.rpm
1584f0ecda9e2a57a1c8f848e8422049 mnf/2.0/RPMS/openssl-0.9.7c-3.5.M20mdk.i586.rpm
efe79e9da865fdae6fa4d1bf377fb27e mnf/2.0/SRPMS/openssl-0.9.7c-3.5.M20mdk.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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Version: GnuPG v1.4.2.2 (GNU/Linux)

iD8DBQFE/zXomqjQ0CJFipgRAqraAJ9dQKFCKZSs2+wIddQYrsrir0XI7ACffXU5
4LAKvCmOVrwEbNgrZUVjHwU=
=6ziA
-----END PGP SIGNATURE-----

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