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CVE Vulnerability Details :

CVE-2015-5600

PUBLISHED

More Info Official Page

Assigner-mitre

Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca

Published At-03 Aug, 2015 | 00:00

Updated At-27 May, 2026 | 16:31

▼CVE Numbering Authority (CNA)

The kbdint_next_device function in auth2-chall.c in sshd in OpenSSH through 6.9 does not properly restrict the processing of keyboard-interactive devices within a single connection, which makes it easier for remote attackers to conduct brute-force attacks or cause a denial of service (CPU consumption) via a long and duplicative list in the ssh -oKbdInteractiveDevices option, as demonstrated by a modified client that provides a different password for each pam element on this list.

Affected Products

Vendor

n/a

Product

n/a

Versions

Affected

Problem Types

Type	CWE ID	Description
text	N/A	n/a

Type: text

CWE ID: N/A

Description: n/a

References

Hyperlink	Resource
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html	N/A
http://www.ubuntu.com/usn/USN-2710-2	vendor-advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-August/165170.html	vendor-advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html	N/A
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05157667	N/A
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05128992	N/A
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html	N/A
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html	N/A
https://security.gentoo.org/glsa/201512-04	vendor-advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10136	N/A
https://security.netapp.com/advisory/ntap-20151106-0001/	N/A
http://rhn.redhat.com/errata/RHSA-2016-0466.html	vendor-advisory
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/auth2-chall.c.diff?r1=1.42&r2=1.43&f=h	N/A
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html	N/A
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10697	N/A
http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html	vendor-advisory
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/auth2-chall.c	N/A
https://kc.mcafee.com/corporate/index?page=content&id=SB10157	N/A
http://www.securityfocus.com/bid/75990	vdb-entry
http://www.securityfocus.com/bid/91787	vdb-entry
https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04952480	N/A
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00017.html	vendor-advisory
http://www.securityfocus.com/bid/92012	vdb-entry
https://support.apple.com/kb/HT205031	N/A
https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html	mailing-list
http://openwall.com/lists/oss-security/2015/07/23/4	mailing-list
http://www.ubuntu.com/usn/USN-2710-1	vendor-advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162955.html	vendor-advisory
http://www.securitytracker.com/id/1032988	vdb-entry
http://seclists.org/fulldisclosure/2015/Jul/92	mailing-list
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html	N/A
https://www.arista.com/en/support/advisories-notices/security-advisories/1174-security-advisory-12	N/A
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf	N/A

Hyperlink: http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html

Resource: N/A

Hyperlink: http://www.ubuntu.com/usn/USN-2710-2

Resource:

vendor-advisory

Hyperlink: http://lists.fedoraproject.org/pipermail/package-announce/2015-August/165170.html

Resource:

vendor-advisory

Hyperlink: http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html

Resource: N/A

Hyperlink: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05157667

Resource: N/A

Hyperlink: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05128992

Resource: N/A

Hyperlink: http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html

Resource: N/A

Hyperlink: http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html

Resource: N/A

Hyperlink: https://security.gentoo.org/glsa/201512-04

Resource:

vendor-advisory

Hyperlink: https://kc.mcafee.com/corporate/index?page=content&id=SB10136

Resource: N/A

Hyperlink: https://security.netapp.com/advisory/ntap-20151106-0001/

Resource: N/A

Hyperlink: http://rhn.redhat.com/errata/RHSA-2016-0466.html

Resource:

vendor-advisory

Hyperlink: http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/auth2-chall.c.diff?r1=1.42&r2=1.43&f=h

Resource: N/A

Hyperlink: http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html

Resource: N/A

Hyperlink: http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10697

Resource: N/A

Hyperlink: http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html

Resource:

vendor-advisory

Hyperlink: http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/auth2-chall.c

Resource: N/A

Hyperlink: https://kc.mcafee.com/corporate/index?page=content&id=SB10157

Resource: N/A

Hyperlink: http://www.securityfocus.com/bid/75990

Resource:

vdb-entry

Hyperlink: http://www.securityfocus.com/bid/91787

Resource:

vdb-entry

Hyperlink: https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04952480

Resource: N/A

Hyperlink: http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00017.html

Resource:

vendor-advisory

Hyperlink: http://www.securityfocus.com/bid/92012

Resource:

vdb-entry

Hyperlink: https://support.apple.com/kb/HT205031

Resource: N/A

Hyperlink: https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html

Resource:

mailing-list

Hyperlink: http://openwall.com/lists/oss-security/2015/07/23/4

Resource:

mailing-list

Hyperlink: http://www.ubuntu.com/usn/USN-2710-1

Resource:

vendor-advisory

Hyperlink: http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162955.html

Resource:

vendor-advisory

Hyperlink: http://www.securitytracker.com/id/1032988

Resource:

vdb-entry

Hyperlink: http://seclists.org/fulldisclosure/2015/Jul/92

Resource:

mailing-list

Hyperlink: http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html

Resource: N/A

Hyperlink: https://www.arista.com/en/support/advisories-notices/security-advisories/1174-security-advisory-12

Resource: N/A

Hyperlink: https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf

Resource: N/A

▼Authorized Data Publishers (ADP)

1. CVE Program Container

References

Hyperlink	Resource
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html	x_transferred
http://www.ubuntu.com/usn/USN-2710-2	vendor-advisory x_transferred
http://lists.fedoraproject.org/pipermail/package-announce/2015-August/165170.html	vendor-advisory x_transferred
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html	x_transferred
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05157667	x_transferred
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05128992	x_transferred
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html	x_transferred
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html	x_transferred
https://security.gentoo.org/glsa/201512-04	vendor-advisory x_transferred
https://kc.mcafee.com/corporate/index?page=content&id=SB10136	x_transferred
https://security.netapp.com/advisory/ntap-20151106-0001/	x_transferred
http://rhn.redhat.com/errata/RHSA-2016-0466.html	vendor-advisory x_transferred
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/auth2-chall.c.diff?r1=1.42&r2=1.43&f=h	x_transferred
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html	x_transferred
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10697	x_transferred
http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html	vendor-advisory x_transferred
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/auth2-chall.c	x_transferred
https://kc.mcafee.com/corporate/index?page=content&id=SB10157	x_transferred
http://www.securityfocus.com/bid/75990	vdb-entry x_transferred
http://www.securityfocus.com/bid/91787	vdb-entry x_transferred
https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04952480	x_transferred
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00017.html	vendor-advisory x_transferred
http://www.securityfocus.com/bid/92012	vdb-entry x_transferred
https://support.apple.com/kb/HT205031	x_transferred
https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html	mailing-list x_transferred
http://openwall.com/lists/oss-security/2015/07/23/4	mailing-list x_transferred
http://www.ubuntu.com/usn/USN-2710-1	vendor-advisory x_transferred
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162955.html	vendor-advisory x_transferred
http://www.securitytracker.com/id/1032988	vdb-entry x_transferred
http://seclists.org/fulldisclosure/2015/Jul/92	mailing-list x_transferred
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html	x_transferred
https://www.arista.com/en/support/advisories-notices/security-advisories/1174-security-advisory-12	x_transferred
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf	x_transferred