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Mandriva Linux Security Advisory 2015-148

Mandriva Linux Security Advisory 2015-148
Posted Mar 30, 2015
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2015-148 - Mariusz Ziulek reported that libssh2, a SSH2 client-side library, was reading and using the SSH_MSG_KEXINIT packet without doing sufficient range checks when negotiating a new SSH session with a remote server. A malicious attacker could man in the middle a real server and cause a client using the libssh2 library to crash or otherwise read and use unintended memory areas in this process.

tags | advisory, remote
systems | linux, mandriva
advisories | CVE-2015-1782
SHA-256 | d9d2fd19be97a30bea44e233e81ce1fdb672ee14eb24ed3d3a69eb1b9469843f

Mandriva Linux Security Advisory 2015-148

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Hash: SHA1

_______________________________________________________________________

Mandriva Linux Security Advisory MDVSA-2015:148
http://www.mandriva.com/en/support/security/
_______________________________________________________________________

Package : libssh2
Date : March 29, 2015
Affected: Business Server 2.0
_______________________________________________________________________

Problem Description:

Updated libssh2 packages fix security vulnerability:

Mariusz Ziulek reported that libssh2, a SSH2 client-side library, was
reading and using the SSH_MSG_KEXINIT packet without doing sufficient
range checks when negotiating a new SSH session with a remote server. A
malicious attacker could man in the middle a real server and cause
a client using the libssh2 library to crash (denial of service)
or otherwise read and use unintended memory areas in this process
(CVE-2015-1782).
_______________________________________________________________________

References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1782
http://advisories.mageia.org/MGASA-2015-0107.html
_______________________________________________________________________

Updated Packages:

Mandriva Business Server 2/X86_64:
d7fde7fe41b6264b9b0dab6dfa1417b1 mbs2/x86_64/lib64ssh2_1-1.4.3-4.1.mbs2.x86_64.rpm
08f19d4c881fd6358038884c3dced0f9 mbs2/x86_64/lib64ssh2-devel-1.4.3-4.1.mbs2.x86_64.rpm
6a1d9accfa76264321c6e75c4ba07647 mbs2/SRPMS/libssh2-1.4.3-4.1.mbs2.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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