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securityvulnsSecurityvulnsSECURITYVULNS:DOC:29214
HistoryMar 24, 2013 - 12:00 a.m.

[ MDVSA-2013:022 ] openssh

2013-03-2400:00:00
vulners.com
40

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Mandriva Linux Security Advisory MDVSA-2013:022
http://www.mandriva.com/en/support/security/


Package : openssh
Date : March 13, 2013
Affected: Enterprise Server 5.0


Problem Description:

Multiple vulnerabilities has been found and corrected in openssh:

The auth_parse_options function in auth-options.c in sshd in OpenSSH
before 5.7 provides debug messages containing authorized_keys command
options, which allows remote authenticated users to obtain potentially
sensitive information by reading these messages, as demonstrated by
the shared user account required by Gitolite. NOTE: this can cross
privilege boundaries because a user account may intentionally have no
shell or filesystem access, and therefore may have no supported way to
read an authorized_keys file in its own home directory (CVE-2012-0814).

The default configuration of OpenSSH through 6.1 enforces a fixed
time limit between establishing a TCP connection and completing a
login, which makes it easier for remote attackers to cause a denial
of service (connection-slot exhaustion) by periodically making many
new TCP connections (CVE-2010-5107).

The updated packages have been patched to correct these issues.


References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-5107
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-0814


Updated Packages:

Mandriva Enterprise Server 5:
d4dc59e94c2f0f4ca4ed3d29c05afd9d mes5/i586/openssh-5.1p1-2.3mdvmes5.2.i586.rpm
6bb053a5d82451594d433c0059c5f7a7 mes5/i586/openssh-askpass-5.1p1-2.3mdvmes5.2.i586.rpm
cc26585ed65704d2fa6c0bcb102953c7 mes5/i586/openssh-askpass-common-5.1p1-2.3mdvmes5.2.i586.rpm
06ded6e5614c7a188a676550934e98bb mes5/i586/openssh-askpass-gnome-5.1p1-2.3mdvmes5.2.i586.rpm
860932e1a599ec68a150879b9c9abe52 mes5/i586/openssh-clients-5.1p1-2.3mdvmes5.2.i586.rpm
fe26afea6473e680a45979a904bb7e3d mes5/i586/openssh-server-5.1p1-2.3mdvmes5.2.i586.rpm
baa4beb7bfb76b7706166e7870ddd210 mes5/SRPMS/openssh-5.1p1-2.3mdvmes5.2.src.rpm

Mandriva Enterprise Server 5/X86_64:
1c43725b46c279b7295c16e0fb9f43bf mes5/x86_64/openssh-5.1p1-2.3mdvmes5.2.x86_64.rpm
d0231e13471148dfed86f75c4f99a2d0 mes5/x86_64/openssh-askpass-5.1p1-2.3mdvmes5.2.x86_64.rpm
2c06080b369ab13a9c95df47336aeb13 mes5/x86_64/openssh-askpass-common-5.1p1-2.3mdvmes5.2.x86_64.rpm
9fc99fb86e43c00139329787c7b3829d mes5/x86_64/openssh-askpass-gnome-5.1p1-2.3mdvmes5.2.x86_64.rpm
63621dfc8b9c4bf731711af418ea5c5f mes5/x86_64/openssh-clients-5.1p1-2.3mdvmes5.2.x86_64.rpm
ea5653a3e6d790ce02f11fbcd722801d mes5/x86_64/openssh-server-5.1p1-2.3mdvmes5.2.x86_64.rpm
baa4beb7bfb76b7706166e7870ddd210 mes5/SRPMS/openssh-5.1p1-2.3mdvmes5.2.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/en/support/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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