CVE-2014-8143

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.

Category

8.5
CVSS
Severity: High
CVSS 2.0 •
EPSS 4.90% Top 15%
Vendor Advisory slackware.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory samba.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.416326 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html vendor advisory
https://download.samba.org/pub/samba/patches/security/samba-4.1.15-CVE-2014-8143.patch patch
http://www.securitytracker.com/id/1031615 vdb entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/100596 vdb entry
https://download.samba.org/pub/samba/patches/security/samba-4.0.23-CVE-2014-8143.patch patch
https://www.samba.org/samba/security/CVE-2014-8143 patch vendor advisory
http://www.securityfocus.com/bid/72278 vdb entry
http://secunia.com/advisories/62594 third party advisory
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00031.html vendor advisory
http://www.ubuntu.com/usn/USN-2481-1 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2014-8143?
CVE-2014-8143 has been scored as a high severity vulnerability.
How to fix CVE-2014-8143?
To fix CVE-2014-8143, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2014-8143 being actively exploited in the wild?
It is possible that CVE-2014-8143 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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