User Privilege Vulnerability in Samba Products by Samba Team
CVE-2018-16853

7.5HIGH

Key Information:

Vendor

[unknown]

Status
Samba
Vendor
CVE Published:
28 November 2018

What is CVE-2018-16853?

A serious vulnerability has been identified in Samba versions starting from 4.7.0, allowing users in an Active Directory (AD) domain to crash the Key Distribution Center (KDC) if Samba is built using the non-default MIT Kerberos configuration. The Samba Team has labeled this configuration as experimental and will not provide patches for security issues arising from its use. Therefore, it is essential for users to avoid using the AD DC with MIT Kerberos unless explicitly specified during configuration. Security releases have been issued to mitigate potential risks associated with this issue.

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Affected Version(s)

samba 4.7.12

samba 4.8.7

samba 4.9.3

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16853
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https://www.samba.org/samba/security/CVE-2018-16853.html
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http://www.securityfocus.com/bid/106026
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CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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