Resource exhaustion in Samba - CVE-2015-5370
Published: July 29, 2016 / Updated: November 22, 2018
Vulnerability identifier: #VU234
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2015-5370
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Samba
Samba
Software vendor:
Samba
Samba
Description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper validation of DCE-RPC packets by the DCE-RPC client and server implementations. A remote attacker can downgrade a secure connection to an insecure one and consume a large amount of CPU resources by using man-in-the-middle techniques.
Successful exploitation of this vulnerability may result in a a denial of service.
The vulnerability exists due to improper validation of DCE-RPC packets by the DCE-RPC client and server implementations. A remote attacker can downgrade a secure connection to an insecure one and consume a large amount of CPU resources by using man-in-the-middle techniques.
Successful exploitation of this vulnerability may result in a a denial of service.
Remediation
Install Samba 4.4.1, 4.3.7 and 4.2.10.