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Vigil@nce - Samba: three 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 Samba.
Impacted products: Debian, Fedora, openSUSE Leap, Samba,
Slackware, Ubuntu.
Severity: 2/4.
Creation date: 19/12/2016.
DESCRIPTION OF THE VULNERABILITY
Several vulnerabilities were announced in Samba.
An attacker can generate an integer overflow via
ndr_pull_dnsp_name(), in order to trigger a denial of service, and
possibly to run code. [severity:2/4; CVE-2016-2123, ZDI-17-053]
An attacker can bypass security features via a Kerberos ticket, in
order to escalate his privileges. [severity:2/4; CVE-2016-2125]
An attacker can bypass security features via tjhe cryptographic
algorithm arcfour-hmac-md5 is used, in order to escalate his
privileges. [severity:2/4; CVE-2016-2126]
ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Samba-three-vulnerabilities-21416
