Vigil@nce - OpenSSH: five vulnerabilities
February 2017 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
An attacker can use several vulnerabilities of OpenSSH.
Impacted products: BIG-IP Hardware, TMOS, Fedora, FreeBSD, AIX,
Copssh, OpenSSH, openSUSE Leap, Slackware.
Severity: 2/4.
Creation date: 19/12/2016.
DESCRIPTION OF THE VULNERABILITY
Several vulnerabilities were announced in OpenSSH.
An attacker can bypass security features via ssh-agent, in order
to escalate his privileges. [severity:2/4; CVE-2016-10009]
An attacker can bypass security features via Unix Domain Sockets,
in order to escalate his privileges. [severity:2/4; CVE-2016-10010]
An attacker can bypass security features via Privilege-separated
Child realloc(), in order to obtain sensitive information.
[severity:1/4; CVE-2016-10011]
An attacker can generate a buffer overflow via Pre-authentication
Compression, in order to trigger a denial of service, and possibly
to run code. [severity:2/4; CVE-2016-10012]
An attacker can bypass security features via AllowUser/DenyUsers
Address Ranges, in order to escalate his privileges. [severity:2/4]
ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/OpenSSH-five-vulnerabilities-21419