Heimdal CVE-2017-11103 Man in the Middle Security Bypass Vulnerability

Bugtraq ID:	99551
Class:	Design Error
CVE:	CVE-2017-11103
Remote:	Yes
Local:	No
Published:	Jul 12 2017 12:00AM
Updated:	Jul 17 2017 08:07AM
Credit:	The vendor reported this issue.
Vulnerable:	Ubuntu Ubuntu Linux 17.04 Ubuntu Ubuntu Linux 16.10 Ubuntu Ubuntu Linux 16.04 LTS Samba Samba 4.6.4 Samba Samba 4.6.1 Samba Samba 4.6 Samba Samba 4.5.10 Samba Samba 4.5.7 Samba Samba 4.5.6 Samba Samba 4.5.5 Samba Samba 4.5.4 Samba Samba 4.5.1 Samba Samba 4.5 Samba Samba 4.4.14 Samba Samba 4.4.12 Samba Samba 4.4.11 Samba Samba 4.4.10 Samba Samba 4.4.9 Samba Samba 4.4.7 Samba Samba 4.4.6 Samba Samba 4.4.1 Samba Samba 4.4 Samba Samba 4.3.7 Samba Samba 4.3.5 Samba Samba 4.3.4 Samba Samba 4.3.3 Samba Samba 4.3.2 Samba Samba 4.3.1 Samba Samba 4.3 Samba Samba 4.2.10 Samba Samba 4.2.8 Samba Samba 4.2.7 Samba Samba 4.2.6 Samba Samba 4.2.5 Samba Samba 4.2.4 Samba Samba 4.2.3 Samba Samba 4.2.2 Samba Samba 4.2.1 Samba Samba 4.2 Samba Samba 4.1.22 Samba Samba 4.1.21 Samba Samba 4.1.20 Samba Samba 4.1.19 Samba Samba 4.1.18 Samba Samba 4.1.17 Samba Samba 4.1.16 Samba Samba 4.1.15 Samba Samba 4.1.14 Samba Samba 4.1.13 Samba Samba 4.1.10 Samba Samba 4.1.9 Samba Samba 4.1.7 Samba Samba 4.1.3 Samba Samba 4.1.2 Samba Samba 4.1.1 Samba Samba 4.1 Samba Samba 4.0.24 Samba Samba 4.0.23 Samba Samba 4.0.21 Samba Samba 4.0.20 Samba Samba 4.0.19 Samba Samba 4.0.18 Samba Samba 4.0.17 Samba Samba 4.0.13 Samba Samba 4.0.12 Samba Samba 4.0.10 Samba Samba 4.0.2 Samba Samba 4.5.3 Samba Samba 4.5.2 Samba Samba 4.4.8 Samba Samba 4.4.5 Samba Samba 4.4.4 Samba Samba 4.4.3 Samba Samba 4.4.2 Samba Samba 4.3.9 Samba Samba 4.3.8 Samba Samba 4.3.6 Samba Samba 4.3.13 Samba Samba 4.3.11 Samba Samba 4.3.10 Samba Samba 4.2rc4 Samba Samba 4.2.9 + Trustix Secure Linux 2.0 + Trustix Secure Linux 1.5 Samba Samba 4.2.14 Samba Samba 4.2.13 Samba Samba 4.2.12 Samba Samba 4.2.11 Samba Samba 4.1.8 Samba Samba 4.1.6 Samba Samba 4.1.5 Samba Samba 4.1.4 Samba Samba 4.1.23 + Trustix Secure Linux 2.0 + Trustix Secure Linux 1.5 Samba Samba 4.1.11 Samba Samba 4.0.9 Samba Samba 4.0.8 Samba Samba 4.0.7 Samba Samba 4.0.6 Samba Samba 4.0.5 Samba Samba 4.0.4 Samba Samba 4.0.3 Samba Samba 4.0.22 Samba Samba 4.0.16 Samba Samba 4.0.15 Samba Samba 4.0.14 Samba Samba 4.0.11 Samba Samba 4.0.1 Samba Samba 4.0.0 Heimdal Heimdal - FreeBSD FreeBSD 5.0 FreeBSD FreeBSD 4.9 FreeBSD FreeBSD 4.6.2 FreeBSD FreeBSD 4.6 FreeBSD FreeBSD 4.4 FreeBSD FreeBSD 4.3 FreeBSD FreeBSD 4.1.1 FreeBSD FreeBSD 4.1 FreeBSD FreeBSD 3.5 FreeBSD FreeBSD 3.4 FreeBSD FreeBSD 2.2.8 FreeBSD FreeBSD 2.2.7 FreeBSD FreeBSD 2.2.6 FreeBSD FreeBSD 2.2.5 FreeBSD FreeBSD 2.2.4 FreeBSD FreeBSD 2.2.3 FreeBSD FreeBSD 2.2.2 FreeBSD FreeBSD 1.1.5 .1 FreeBSD FreeBSD 1.1.5 FreeBSD Freebsd 9.3-RELEASE-p53 FreeBSD FreeBSD 9.3-RELEASE-p5 FreeBSD Freebsd 9.3-RELEASE-p44 FreeBSD Freebsd 9.3-RELEASE-p43 FreeBSD Freebsd 9.3-RELEASE-p42 FreeBSD Freebsd 9.3-RELEASE-p41 FreeBSD Freebsd 9.3-RELEASE-p39 FreeBSD Freebsd 9.3-RELEASE-p38 FreeBSD Freebsd 9.3-RELEASE-p36 FreeBSD Freebsd 9.3-RELEASE-p35 FreeBSD Freebsd 9.3-RELEASE-p34 FreeBSD Freebsd 9.3-RELEASE-p33 FreeBSD Freebsd 9.3-RELEASE-p31 FreeBSD FreeBSD 9.3-RELEASE-p3 FreeBSD Freebsd 9.3-RELEASE-p29 FreeBSD Freebsd 9.3-RELEASE-p25 FreeBSD FreeBSD 9.2-RELEASE-p15 FreeBSD FreeBSD 9.2-RELEASE-p13 FreeBSD FreeBSD 9.2-RELEASE-p12 FreeBSD FreeBSD 9.2-RELEASE-p11 FreeBSD FreeBSD 9.2-RELEASE-p10 FreeBSD FreeBSD 9.2-RC3-p1 FreeBSD FreeBSD 9.2-RC2-p2 FreeBSD FreeBSD 9.2-RC2 FreeBSD FreeBSD 9.2-RC1-p2 FreeBSD FreeBSD 9.2-RC1 FreeBSD FreeBSD 9.2 Rc2 FreeBSD FreeBSD 9.1-RELEASE-p3 FreeBSD FreeBSD 9.1-RELEASE-p23 FreeBSD FreeBSD 9.1-RELEASE-p22 FreeBSD FreeBSD 9.1-RELEASE-p20 FreeBSD FreeBSD 9.1-RELEASE-p19 FreeBSD FreeBSD 9.1-RELEASE-p18 FreeBSD FreeBSD 9.1-RELEASE-p17 FreeBSD FreeBSD 9.1-RELEASE-p16 FreeBSD FreeBSD 9.1-RELEASE-p15 FreeBSD FreeBSD 9.1-RELEASE-p14 FreeBSD FreeBSD 9.1-RELEASE-p12 FreeBSD FreeBSD 9.1-RELEASE-p11 FreeBSD FreeBSD 9.1-RELEASE-p10 FreeBSD FreeBSD 9.1-RELEASE-p1 FreeBSD FreeBSD 7.4 FreeBSD FreeBSD 7.1 FreeBSD FreeBSD 7.0 FreeBSD FreeBSD 5.2.1 FreeBSD FreeBSD 4.11 FreeBSD FreeBSD 2.2.1 FreeBSD Freebsd 10.2-STABLE FreeBSD Freebsd 10.2-RELENG FreeBSD Freebsd 10.2-RELEASE-p9 FreeBSD Freebsd 10.2-RELEASE-p8 FreeBSD Freebsd 10.2-RELEASE-p6 FreeBSD Freebsd 10.2-RELEASE-p28 FreeBSD Freebsd 10.2-RELEASE-p26 FreeBSD Freebsd 10.2-RELEASE-p19 FreeBSD Freebsd 10.2 FreeBSD FreeBSD 10.1-STABLE FreeBSD Freebsd 10.1-RELENG FreeBSD Freebsd 10.1-RELEASE-p9 FreeBSD Freebsd 10.1-RELEASE-p6 FreeBSD Freebsd 10.1-RELEASE-p5 FreeBSD Freebsd 10.1-RELEASE-p45 FreeBSD Freebsd 10.1-RELEASE-p43 FreeBSD Freebsd 10.1-RELEASE-p36 FreeBSD Freebsd 10.1-RELEASE-p35 FreeBSD Freebsd 10.1-RELEASE-p34 FreeBSD Freebsd 10.1-RELEASE-p33 FreeBSD Freebsd 10.1-RELEASE-p31 FreeBSD Freebsd 10.1-RELEASE-p30 FreeBSD Freebsd 10.1-RELEASE-p29 FreeBSD Freebsd 10.1-RELEASE-p28 FreeBSD Freebsd 10.1-RELEASE-p27 FreeBSD Freebsd 10.1-RELEASE-p26 FreeBSD Freebsd 10.1-RELEASE-p25 FreeBSD Freebsd 10.1-RELEASE-p23 FreeBSD Freebsd 10.1-RELEASE-p19 FreeBSD Freebsd 10.1-RELEASE-p17 FreeBSD Freebsd 10.1-RELEASE-p16 FreeBSD FreeBSD 10.1-RELEASE-p1 FreeBSD Freebsd 10.1-RELEASE FreeBSD FreeBSD 10.1-RC4-p1 FreeBSD FreeBSD 10.1-RC3-p1 FreeBSD FreeBSD 10.1-RC2-p3 FreeBSD FreeBSD 10.1-RC2-p1 FreeBSD FreeBSD 10.1-RC1-p1 FreeBSD FreeBSD 10.1-PRERELEASE FreeBSD FreeBSD 10.1-BETA3-p1 FreeBSD FreeBSD 10.1-BETA1-p1 FreeBSD FreeBSD 10.1 FreeBSD FreeBSD 10.0-STABLE FreeBSD FreeBSD 10.0-RELEASE-p9 FreeBSD FreeBSD 10.0-RELEASE-p8 FreeBSD FreeBSD 10.0-RELEASE-p7 FreeBSD FreeBSD 10.0-RELEASE-p6 FreeBSD FreeBSD 10.0-RELEASE-p5 FreeBSD FreeBSD 10.0-RELEASE-p4 FreeBSD FreeBSD 10.0-RELEASE-p2 FreeBSD Freebsd 10.0-RELEASE-p18 FreeBSD Freebsd 10.0-RELEASE-p17 FreeBSD FreeBSD 10.0-RELEASE-p13 FreeBSD FreeBSD 10.0-RELEASE-p12 FreeBSD FreeBSD 10.0-RELEASE-p10 FreeBSD FreeBSD 10.0-RELEASE-p1 FreeBSD FreeBSD 10.0-RC3-p1 FreeBSD FreeBSD 10.0-RC2-p1 FreeBSD FreeBSD 10.0-RC1-p1 FreeBSD FreeBSD 10.0-BETA FreeBSD FreeBSD 10 FreeBSD FreeBSD 1.5 FreeBSD FreeBSD 1.1 FreeBSD Freebsd 9.3-RELEASE-p51 Debian Linux 6.0 sparc Debian Linux 6.0 s/390 Debian Linux 6.0 powerpc Debian Linux 6.0 mips Debian Linux 6.0 ia-64 Debian Linux 6.0 ia-32 Debian Linux 6.0 ia-30 Debian Linux 6.0 arm Debian Linux 6.0 amd64 Debian Linux 6
Not Vulnerable:	Samba Samba 4.6.6 Samba Samba 4.5.12 Samba Samba 4.4.15 FreeBSD Freebsd 11.1-RC2-p1 FreeBSD Freebsd 11.1-RC1-p1 FreeBSD Freebsd 11.1-PRERELEASE FreeBSD Freebsd 11.1-BETA3-p1 FreeBSD Freebsd 11.0-RELEASE-p11 FreeBSD Freebsd 10.3-STABLE FreeBSD Freebsd 10.3-RELEASE-p20

Heimdal CVE-2017-11103 Man in the Middle Security Bypass Vulnerability

Heimdal is prone to a security-bypass vulnerability.

Successfully exploiting this issue may allow attackers to bypass certain security restrictions and perform unauthorized actions by conducting a man-in-the-middle attack. This may lead to other attacks.

Heimdal CVE-2017-11103 Man in the Middle Security Bypass Vulnerability

Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Heimdal CVE-2017-11103 Man in the Middle Security Bypass Vulnerability

Solution:
Updates are available. Please see the references or vendor advisory for more information.

Heimdal CVE-2017-11103 Man in the Middle Security Bypass Vulnerability

References:

• CVE-2017-11103 (Redhat)
  
• CVE-2017-11103: Orpheus' Lyre KDC-REP service name validation (heimdal)
  
• FreeBSD Homepage (FreeBSD)
  
• Bug 1469976 - (CVE-2017-11103) CVE-2017-11103 krb5: Metadata taken from the una (Redhat)
  
• CVE-2017-11103.html: (Samba)
  
• Topic: heimdal KDC-REP service name validation vulnerability (freebsd)