U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2015-6563 Detail

Description

The monitor component in sshd in OpenSSH before 7.0 on non-OpenBSD platforms 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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to [email protected].

URL Source(s) Tag(s)
http://lists.apple.com/archives/security-announce/2015/Oct/msg00005.html CVE, MITRE
http://lists.fedoraproject.org/pipermail/package-announce/2015-August/165170.html CVE, MITRE
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00017.html CVE, MITRE
http://rhn.redhat.com/errata/RHSA-2016-0741.html CVE, MITRE
http://seclists.org/fulldisclosure/2015/Aug/54 CVE, MITRE
http://www.openssh.com/txt/release-7.0 CVE, MITRE Vendor Advisory 
http://www.openwall.com/lists/oss-security/2015/08/22/1 CVE, MITRE
http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html CVE, MITRE
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html CVE, MITRE
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html CVE, MITRE
http://www.securityfocus.com/bid/76317 CVE, MITRE
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf CVE, MITRE
https://github.com/openssh/openssh-portable/commit/d4697fe9a28dab7255c60433e4dd23cf7fce8a8b CVE, MITRE
https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html CVE, MITRE
https://security.gentoo.org/glsa/201512-04 CVE, MITRE
https://security.netapp.com/advisory/ntap-20180201-0002/ CVE, MITRE
https://support.apple.com/HT205375 CVE, MITRE
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-766 CVE, MITRE

Weakness Enumeration

CWE-ID CWE Name Source
CWE-20 Improper Input Validation cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

16 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-6563
NVD Published Date:
08/23/2015
NVD Last Modified:
04/12/2025
Source:
MITRE