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CVE-2014-8143

HIGH severity · CVSS 8.5 · CWE-264
8.5CVSS HIGH

Summary

Samba 4.0.x before 4.0.24, 4.1.x before 4.1.16, and 4.2.x before 4.2rc4, when an Active Directory Domain Controller (AD DC) is configured, allows remote authenticated users to set the LDB userAccountControl UF_SERVER_TRUST_ACCOUNT bit, and consequently gain privileges, by leveraging delegation of authority for user-account or computer-account creation.

Impact & exploitability

Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)4%

AV:N/AC:M/Au:S/C:C/I:C/A:C

Affected products we track (1)

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Official patch: https://download.samba.org/pub/samba/patches/security/samba-4.0.23-CVE-2014-8143.patch ↗