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CVE-2014-8143

8.5 · HIGH

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 userAccou…

Published Jan 17, 2015sambaCWE-264EPSS 4.26%

Overview

CVE-2014-8143 is a high-severity vulnerability affecting samba samba. It was published on January 17, 2015 and has a CVSS 2.0 base score of 8.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 8.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories and patches from samba. Update samba to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Reflists.opensuse.org/opensuse-security-announce/2015-02/msg00031.htmlReflists.opensuse.org/opensuse-security-announce/2016-04/msg00042.htmlRefsecunia.com/advisories/62594Refwww.securityfocus.com/bid/72278Refwww.securitytracker.com/id/1031615Refwww.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.416326Refwww.ubuntu.com/usn/USN-2481-1Refdownload.samba.org/pub/samba/patches/security/samba-4.0.23-CVE-2014-8143.patchRefdownload.samba.org/pub/samba/patches/security/samba-4.1.15-CVE-2014-8143.patchRefexchange.xforce.ibmcloud.com/vulnerabilities/100596

How CyberStrike helps

Frequently asked questions

What is CVE-2014-8143?

CVE-2014-8143 is a high-severity vulnerability affecting samba samba. It was published on January 17, 2015 and has a CVSS 2.0 base score of 8.5 (HIGH).

How severe is CVE-2014-8143?

This vulnerability has a CVSS 2.0 base score of 8.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2014-8143?

Check the references section for vendor advisories and patches from samba. Update samba to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2014-8143?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-8143 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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