CVE-2016-6515

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

Configuration 1 (hide)

cpe:2.3:a:openbsd:openssh:*:p2:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:*

History

21 Nov 2024, 02:56

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

07 Nov 2023, 02:34

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X2L6RW34VFNXYNVVN2CN73YAGJ5VMTFU/', 'name': 'FEDORA-2016-4a3debc3a6', 'tags': ['Third Party Advisory'], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X2L6RW34VFNXYNVVN2CN73YAGJ5VMTFU/ -

Information

Published : 2016-08-07 21:59

Updated : 2024-11-21 02:56


NVD link : CVE-2016-6515

Mitre link : CVE-2016-6515

CVE.ORG link : CVE-2016-6515


JSON object : View

Products Affected

fedoraproject

  • fedora

openbsd

  • openssh
CWE
CWE-20

Improper Input Validation