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Home » Hacking News » MDKSA-2003:020 - Updated openssl packages fix timing-based attack vulnerability

MDKSA-2003:020 - Updated openssl packages fix timing-based attack vulnerability

by Nikola Strahija on February 22nd, 2003 In an upcoming paper, Brice Canvel (EPFL), Alain Hiltgen (UBS), Serge Vaudenay (EPFL), and Martin Vuagnoux (EPFL, Ilion) describe and demonstrate a timing-based attack on CBC ciphersuites in SSL and TLS.


Mandrake Linux Security Update Advisory
________________________________________________________________________

Package name: openssl
Advisory ID: MDKSA-2003:020
Date: February 21st, 2003

Affected versions: 7.2, 8.0, 8.1, 8.2, 9.0,
Multi Network Firewall 8.2,
Single Network Firewall 7.2
________________________________________________________________________

Problem Description:

In an upcoming paper, Brice Canvel (EPFL), Alain Hiltgen (UBS), Serge
Vaudenay (EPFL), and Martin Vuagnoux (EPFL, Ilion) describe and
demonstrate a timing-based attack on CBC ciphersuites in SSL and TLS.

New versions of openssl have been released in response to this
vulnerability (0.9.6i and 0.9.7a). The openssl released with
Linux-Mandrake 7.2 and Single Network Firewall 7.2 has been patched to
correct this issue.
________________________________________________________________________

References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0078
http://www.openssl.org/news/secadv_20030219.txt
________________________________________________________________________

Updated Packages:

Linux-Mandrake 7.2:
b5dbf3f28a840492003dfdd3ce29fe8f 7.2/RPMS/openssl-0.9.5a-9.4mdk.i586.rpm
54307dfc4fb98bb3a6e07b38d95e42e4 7.2/RPMS/openssl-devel-0.9.5a-9.4mdk.i586.rpm
2cf728138c07c8f00e14f4dac39c5af0 7.2/SRPMS/openssl-0.9.5a-9.4mdk.src.rpm

Mandrake Linux 8.0:
0b39a49daadceb83bda4e16511a15184 8.0/RPMS/openssl-0.9.6i-1.1mdk.i586.rpm
766a510dc73381e809952c9b7fde9220 8.0/RPMS/openssl-devel-0.9.6i-1.1mdk.i586.rpm
e6faa612906c4b13ad51e728410678bb 8.0/SRPMS/openssl-0.9.6i-1.1mdk.src.rpm

Mandrake Linux 8.0/PPC:
bfa53626ebd6141ca41d157e6141b18d ppc/8.0/RPMS/openssl-0.9.6i-1.1mdk.ppc.rpm
45397157c743633db6dcfa248a36e3d5 ppc/8.0/RPMS/openssl-devel-0.9.6i-1.1mdk.ppc.rpm
e6faa612906c4b13ad51e728410678bb ppc/8.0/SRPMS/openssl-0.9.6i-1.1mdk.src.rpm

Mandrake Linux 8.1:
446f29c6dcc1e2e0a7fb95d71342c4ad 8.1/RPMS/libopenssl0-0.9.6i-1.2mdk.i586.rpm
7e2f19a1a37ff8af8bb058a82624edd2 8.1/RPMS/libopenssl0-devel-0.9.6i-1.2mdk.i586.rpm
30d77f70d6f16be70ccec764ad401f3e 8.1/RPMS/libopenssl0-static-devel-0.9.6i-1.2mdk.i586.rpm
d8828739126f4d765556394c0850acad 8.1/RPMS/openssl-0.9.6i-1.2mdk.i586.rpm
f818698ee0c33a397c98178516fcce19 8.1/SRPMS/openssl-0.9.6i-1.2mdk.src.rpm

Mandrake Linux 8.1/IA64:
203ee31ea6b552c7e0dd9952e2e0f5d8 ia64/8.1/RPMS/libopenssl0-0.9.6i-1.2mdk.ia64.rpm
706235af5f3cf2cd9ffce5a56eb72218 ia64/8.1/RPMS/libopenssl0-devel-0.9.6i-1.2mdk.ia64.rpm
e16b1cd9191a1ce77469356cc0e6a506 ia64/8.1/RPMS/libopenssl0-static-devel-0.9.6i-1.2mdk.ia64.rpm
7e31a921add6993f1695b6a912d1da5d ia64/8.1/RPMS/openssl-0.9.6i-1.2mdk.ia64.rpm
f818698ee0c33a397c98178516fcce19 ia64/8.1/SRPMS/openssl-0.9.6i-1.2mdk.src.rpm

Mandrake Linux 8.2:
bad272bffe7880622bf43c6be59fad23 8.2/RPMS/libopenssl0-0.9.6i-1.2mdk.i586.rpm
28aa471f5d28d2727539d318bf8f3915 8.2/RPMS/libopenssl0-devel-0.9.6i-1.2mdk.i586.rpm
c1736cc335ce72bb23a1df02178f1352 8.2/RPMS/libopenssl0-static-devel-0.9.6i-1.2mdk.i586.rpm
9b5c0da67d03f654d9d7d9bd3cd70dfe 8.2/RPMS/openssl-0.9.6i-1.2mdk.i586.rpm
f818698ee0c33a397c98178516fcce19 8.2/SRPMS/openssl-0.9.6i-1.2mdk.src.rpm

Mandrake Linux 8.2/PPC:
9818657f2788f9dd7d3592aca49a3ac0 ppc/8.2/RPMS/libopenssl0-0.9.6i-1.2mdk.ppc.rpm
f46f3fcd45f7b03b063ef896be0ec819 ppc/8.2/RPMS/libopenssl0-devel-0.9.6i-1.2mdk.ppc.rpm
6a5b0d9366ac455363014f4b5d970d53 ppc/8.2/RPMS/libopenssl0-static-devel-0.9.6i-1.2mdk.ppc.rpm
7967638b162eae1a4c7f0d398bf46ec3 ppc/8.2/RPMS/openssl-0.9.6i-1.2mdk.ppc.rpm
f818698ee0c33a397c98178516fcce19 ppc/8.2/SRPMS/openssl-0.9.6i-1.2mdk.src.rpm

Mandrake Linux 9.0:
a873b03d0036479d59258b194b50c75f 9.0/RPMS/libopenssl0-0.9.6i-1.2mdk.i586.rpm
5927f7c8a82f229b026b9e349ee33cc5 9.0/RPMS/libopenssl0-devel-0.9.6i-1.2mdk.i586.rpm
42f3b03db18ab18872494a9ee9eb4cb7 9.0/RPMS/libopenssl0-static-devel-0.9.6i-1.2mdk.i586.rpm
75a01b4979feec6f5b4808b893c4fe42 9.0/RPMS/openssl-0.9.6i-1.2mdk.i586.rpm
f818698ee0c33a397c98178516fcce19 9.0/SRPMS/openssl-0.9.6i-1.2mdk.src.rpm

Multi Network Firewall 8.2:
bad272bffe7880622bf43c6be59fad23 mnf8.2/RPMS/libopenssl0-0.9.6i-1.2mdk.i586.rpm
9b5c0da67d03f654d9d7d9bd3cd70dfe mnf8.2/RPMS/openssl-0.9.6i-1.2mdk.i586.rpm
f818698ee0c33a397c98178516fcce19 mnf8.2/SRPMS/openssl-0.9.6i-1.2mdk.src.rpm

Single Network Firewall 7.2:
b5dbf3f28a840492003dfdd3ce29fe8f snf7.2/RPMS/openssl-0.9.5a-9.4mdk.i586.rpm
2cf728138c07c8f00e14f4dac39c5af0 snf7.2/SRPMS/openssl-0.9.5a-9.4mdk.src.rpm
________________________________________________________________________

Bug IDs fixed (see https://qa.mandrakesoft.com for more information):
________________________________________________________________________

To upgrade automatically, use MandrakeUpdate. The verification of md5
checksums and GPG signatures is performed automatically for you.

If you want to upgrade manually, download the updated package from one
of our FTP server mirrors and upgrade with "rpm -Fvh *.rpm". A list of
FTP mirrors can be obtained from:

http://www.mandrakesecure.net/en/ftp.php

Please verify the update prior to upgrading to ensure the integrity of
the downloaded package. You can do this with the command:

rpm --checksig

All packages are signed by MandrakeSoft for security. You can obtain
the GPG public key of the Mandrake Linux Security Team from:

https://www.mandrakesecure.net/RPM-GPG-KEYS

Please be aware that sometimes it takes the mirrors a few hours to
update.

You can view other update advisories for Mandrake Linux at:

http://www.mandrakesecure.net/en/advisories/

MandrakeSoft has several security-related mailing list services that
anyone can subscribe to. Information on these lists can be obtained by
visiting:

http://www.mandrakesecure.net/en/mlist.php

If you want to report vulnerabilities, please contact

security_linux-mandrake.com

Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Linux Mandrake Security Team


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