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ID de Prueba:1.3.6.1.4.1.25623.1.0.703182
Categoría:Debian Local Security Checks
Título:Debian Security Advisory DSA 3182-1 (libssh2 - security update)
Resumen: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.
Descripción:Summary:
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.

Affected Software/OS:
libssh2 on Debian Linux

Solution:
For the stable distribution (wheezy),
this problem has been fixed in version 1.4.2-1.1+deb7u1.

We recommend that you upgrade your libssh2 packages.

CVSS Score:
6.8

CVSS Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P

Referencia Cruzada: Common Vulnerability Exposure (CVE) ID: CVE-2015-1782
BugTraq ID: 73061
http://www.securityfocus.com/bid/73061
Debian Security Information: DSA-3182 (Google Search)
http://www.debian.org/security/2015/dsa-3182
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151943.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/153933.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152362.html
http://www.mandriva.com/security/advisories?name=MDVSA-2015:148
CopyrightCopyright (c) 2015 Greenbone Networks GmbH http://greenbone.net

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