Vulnerability Report

CVE-2015-5477

Title: Isc Bind Denial of Service (DoS)

DoS

Proof Of Concept

PoC Available for CVE-2015-5477

CWE Category CWE-19

Published Date Jul 29, 2015

Modified Date Jun 17, 2026

Exploit Status Available

Score 7.8 CVSS v2.0

Exploit Probability (EPSS)

91.28%

Vulnerability Summary

CVE-2015-5477: named in ISC BIND 9.x before 9.9.7-P2 and 9.10.x before 9.10.2-P3 allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit) via TKEY queries.

Impacted Vendors

isc 1

Reference Links

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10718 http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163006.html http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163007.html http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163015.html http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00043.html http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00044.html http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00045.html http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00048.html http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00050.html http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00001.html http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00033.html http://marc.info/?l=bugtraq&m=144000632319155&w=2 http://marc.info/?l=bugtraq&m=144017354030745&w=2 http://marc.info/?l=bugtraq&m=144181171013996&w=2 http://marc.info/?l=bugtraq&m=144294073801304&w=2 http://packetstormsecurity.com/files/132926/BIND-TKEY-Query-Denial-Of-Service.html http://rhn.redhat.com/errata/RHSA-2015-1513.html http://rhn.redhat.com/errata/RHSA-2015-1514.html http://rhn.redhat.com/errata/RHSA-2015-1515.html http://rhn.redhat.com/errata/RHSA-2016-0078.html http://rhn.redhat.com/errata/RHSA-2016-0079.html http://www.debian.org/security/2015/dsa-3319 http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html http://www.securityfocus.com/bid/76092 http://www.securitytracker.com/id/1033100 http://www.ubuntu.com/usn/USN-2693-1 https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04789415 https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04952480 https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05095918 https://kb.isc.org/article/AA-01272 https://kb.isc.org/article/AA-01305 https://kb.isc.org/article/AA-01306 https://kb.isc.org/article/AA-01307 https://kb.isc.org/article/AA-01438 https://kb.juniper.net/JSA10783 https://kc.mcafee.com/corporate/index?page=content&id=SB10126 https://security.gentoo.org/glsa/201510-01 https://security.netapp.com/advisory/ntap-20160114-0001/ https://support.apple.com/kb/HT205032 https://www.exploit-db.com/exploits/37721/ https://www.exploit-db.com/exploits/37723/ http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10718 http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163006.html http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163007.html http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163015.html http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00043.html http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00044.html http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00045.html http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00048.html http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00050.html http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00001.html http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00033.html http://marc.info/?l=bugtraq&m=144000632319155&w=2 http://marc.info/?l=bugtraq&m=144017354030745&w=2 http://marc.info/?l=bugtraq&m=144181171013996&w=2 http://marc.info/?l=bugtraq&m=144294073801304&w=2 http://packetstormsecurity.com/files/132926/BIND-TKEY-Query-Denial-Of-Service.html http://rhn.redhat.com/errata/RHSA-2015-1513.html http://rhn.redhat.com/errata/RHSA-2015-1514.html http://rhn.redhat.com/errata/RHSA-2015-1515.html http://rhn.redhat.com/errata/RHSA-2016-0078.html http://rhn.redhat.com/errata/RHSA-2016-0079.html http://www.debian.org/security/2015/dsa-3319 http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html http://www.securityfocus.com/bid/76092 http://www.securitytracker.com/id/1033100 http://www.ubuntu.com/usn/USN-2693-1 https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04789415 https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04952480 https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05095918 https://kb.isc.org/article/AA-01272 https://kb.isc.org/article/AA-01305 https://kb.isc.org/article/AA-01306 https://kb.isc.org/article/AA-01307 https://kb.isc.org/article/AA-01438 https://kb.juniper.net/JSA10783 https://kc.mcafee.com/corporate/index?page=content&id=SB10126 https://security.gentoo.org/glsa/201510-01 https://security.netapp.com/advisory/ntap-20160114-0001/ https://support.apple.com/kb/HT205032 https://www.exploit-db.com/exploits/37721/ https://www.exploit-db.com/exploits/37723/

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.8

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2015-5477 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/tintinweb/pub

View Code

GitHub https://github.com/robertdavidgraham/cve-2015-5477

View Code

GitHub https://github.com/elceef/tkeypoc

View Code

GitHub https://github.com/ilanyu/cve-2015-5477

View Code

GitHub https://github.com/knqyf263/cve-2015-5477

View Code

Exploit-DB https://www.exploit-db.com/exploits/37721

View Code

Exploit-DB https://www.exploit-db.com/exploits/37723

View Code

June 17, 2026 MODIFIED

Vulnerability data updated via NVD.

May 06, 2026 MODIFIED

Vulnerability data updated via NVD.

May 06, 2026 MODIFIED

Vulnerability data updated via NVD.

April 12, 2025 MODIFIED

Vulnerability data or affected products updated.

July 29, 2015 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected Stack

No specific products linked.