Vulnerability Details CVE-2018-16860
A flaw was found in samba's Heimdal KDC implementation, versions 4.8.x up to, excluding 4.8.12, 4.9.x up to, excluding 4.9.8 and 4.10.x up to, excluding 4.10.3, when used in AD DC mode. A man in the middle attacker could use this flaw to intercept the request to the KDC and replace the user name (principal) in the request with any desired user name (principal) that exists in the KDC effectively obtaining a ticket for that principal.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.02
EPSS Ranking 82.8%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 6.0
References
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.html
- http://seclists.org/fulldisclosure/2019/Aug/11
- http://seclists.org/fulldisclosure/2019/Aug/13
- http://seclists.org/fulldisclosure/2019/Aug/14
- http://seclists.org/fulldisclosure/2019/Aug/15
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16860
- https://seclists.org/bugtraq/2019/Aug/21
- https://seclists.org/bugtraq/2019/Aug/22
- https://seclists.org/bugtraq/2019/Aug/23
- https://seclists.org/bugtraq/2019/Aug/25
- https://security.gentoo.org/glsa/202003-52
- https://support.apple.com/HT210346
- https://support.apple.com/HT210348
- https://support.apple.com/HT210351
- https://support.apple.com/HT210353
- https://www.samba.org/samba/security/CVE-2018-16860.html
- https://www.synology.com/security/advisory/Synology_SA_19_23
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.html
- http://seclists.org/fulldisclosure/2019/Aug/11
- http://seclists.org/fulldisclosure/2019/Aug/13
- http://seclists.org/fulldisclosure/2019/Aug/14
- http://seclists.org/fulldisclosure/2019/Aug/15
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16860
- https://seclists.org/bugtraq/2019/Aug/21
- https://seclists.org/bugtraq/2019/Aug/22
- https://seclists.org/bugtraq/2019/Aug/23
- https://seclists.org/bugtraq/2019/Aug/25
- https://security.gentoo.org/glsa/202003-52
- https://support.apple.com/HT210346
- https://support.apple.com/HT210348
- https://support.apple.com/HT210351
- https://support.apple.com/HT210353
- https://www.samba.org/samba/security/CVE-2018-16860.html
- https://www.synology.com/security/advisory/Synology_SA_19_23
Products affected by CVE-2018-16860
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cpe:2.3:a:heimdal_project:heimdal:0.8
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cpe:2.3:a:heimdal_project:heimdal:0.8.1
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cpe:2.3:a:heimdal_project:heimdal:0.9
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cpe:2.3:a:heimdal_project:heimdal:1.0.0
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cpe:2.3:a:heimdal_project:heimdal:1.0.1
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cpe:2.3:a:heimdal_project:heimdal:1.0.2
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cpe:2.3:a:heimdal_project:heimdal:1.1.0
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cpe:2.3:a:heimdal_project:heimdal:1.2.0
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cpe:2.3:a:heimdal_project:heimdal:1.2.1
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cpe:2.3:a:heimdal_project:heimdal:1.3.0
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cpe:2.3:a:heimdal_project:heimdal:1.3.1
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cpe:2.3:a:heimdal_project:heimdal:1.3.2
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cpe:2.3:a:heimdal_project:heimdal:1.3.3
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cpe:2.3:a:heimdal_project:heimdal:1.4.0
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cpe:2.3:a:heimdal_project:heimdal:1.4.1
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cpe:2.3:a:heimdal_project:heimdal:1.5.0
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cpe:2.3:a:heimdal_project:heimdal:1.5.1
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cpe:2.3:a:heimdal_project:heimdal:1.5.2
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cpe:2.3:a:heimdal_project:heimdal:1.5.3
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cpe:2.3:a:heimdal_project:heimdal:1.6.0
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cpe:2.3:a:heimdal_project:heimdal:7.0.1
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cpe:2.3:a:heimdal_project:heimdal:7.0.2
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cpe:2.3:a:heimdal_project:heimdal:7.0.3
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cpe:2.3:a:heimdal_project:heimdal:7.1.0
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cpe:2.3:a:heimdal_project:heimdal:7.2.0
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cpe:2.3:a:heimdal_project:heimdal:7.3.0
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cpe:2.3:a:heimdal_project:heimdal:7.4.0
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cpe:2.3:a:heimdal_project:heimdal:7.5.0
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cpe:2.3:a:samba:samba:4.10.0
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cpe:2.3:a:samba:samba:4.10.1
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cpe:2.3:a:samba:samba:4.10.2
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cpe:2.3:a:samba:samba:4.8.0
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cpe:2.3:a:samba:samba:4.8.1
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cpe:2.3:a:samba:samba:4.8.10
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cpe:2.3:a:samba:samba:4.8.11
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cpe:2.3:a:samba:samba:4.8.2
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cpe:2.3:a:samba:samba:4.8.3
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cpe:2.3:a:samba:samba:4.8.4
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cpe:2.3:a:samba:samba:4.8.5
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cpe:2.3:a:samba:samba:4.8.6
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cpe:2.3:a:samba:samba:4.8.7
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cpe:2.3:a:samba:samba:4.8.8
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cpe:2.3:a:samba:samba:4.8.9
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cpe:2.3:a:samba:samba:4.9.0
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cpe:2.3:a:samba:samba:4.9.1
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cpe:2.3:a:samba:samba:4.9.2
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cpe:2.3:a:samba:samba:4.9.3
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cpe:2.3:a:samba:samba:4.9.4
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cpe:2.3:a:samba:samba:4.9.5
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cpe:2.3:a:samba:samba:4.9.6
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cpe:2.3:a:samba:samba:4.9.7