CVE-2015-6563

CVE Details

Release Date:	2015-08-11
Impact:	Moderate	What is this?

Description

The monitor component in sshd in OpenSSH before 7.0 on non-OpenBSDplatforms accepts extraneous username data in MONITOR_REQ_PAM_INIT_CTX requests, which allows local users to conduct impersonation attacks by leveraging any SSH login access in conjunction with control of the sshd uid to send a crafted MONITOR_REQ_PWNAM request, related to monitor.c and monitor_wrap.c.

See more information about CVE-2015-6563 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 metrics

Base Score:	6.2
Vector String:	AV:L/AC:H/Au:N/C:C/I:C/A:C
Version:	2.0
Attack Vector:	Local
Attack Complexity:	High
Authentication:	None
Confidentiality Impact:	Complete
Integrity Impact:	Complete
Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (openssh)	ELSA-2016-0741	2016-05-12
Oracle Linux version 7 (openssh)	ELSA-2015-2088	2015-11-23
Oracle VM version 3.3 (openssh)	OVMSA-2016-0048	2016-05-13
Oracle VM version 3.4 (openssh)	OVMSA-2016-0048	2016-05-13