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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2016-6515 Detail

Description

The auth_password function in auth-passwd.c in sshd in OpenSSH before 7.3 does not limit password lengths for password authentication, which allows remote attackers to cause a denial of service (crypt CPU consumption) via a long string.


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

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URL Source(s) Tag(s)
http://openwall.com/lists/oss-security/2016/08/01/2 CVE, MITRE Third Party Advisory  VDB Entry 
http://packetstormsecurity.com/files/140070/OpenSSH-7.2-Denial-Of-Service.html CVE, MITRE
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html CVE, MITRE
http://www.securityfocus.com/bid/92212 CVE, MITRE
http://www.securitytracker.com/id/1036487 CVE, MITRE
https://access.redhat.com/errata/RHSA-2017:2029 CVE, MITRE
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf CVE, MITRE
https://cert-portal.siemens.com/productcert/pdf/ssa-676336.pdf CVE, MITRE
https://github.com/openssh/openssh-portable/commit/fcd135c9df440bcd2d5870405ad3311743d78d97 CVE, MITRE Issue Tracking  Patch 
https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html CVE, MITRE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X2L6RW34VFNXYNVVN2CN73YAGJ5VMTFU/ CVE, MITRE
https://security.FreeBSD.org/advisories/FreeBSD-SA-17:06.openssh.asc CVE, MITRE
https://security.netapp.com/advisory/ntap-20171130-0003/ CVE, MITRE
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03779en_us CVE, MITRE
https://www.exploit-db.com/exploits/40888/ 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

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Change History

18 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-6515
NVD Published Date:
08/07/2016
NVD Last Modified:
04/12/2025
Source:
MITRE