SB2015011701 - Permissions, Privileges, and Access Controls in Samba
Published: January 17, 2015 Updated: August 9, 2020
Security Bulletin ID
SB2015011701
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2014-8143)
The vulnerability allows a remote #AU# to execute arbitrary code.
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
Install update from vendor's website.
References
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00031.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html
- http://secunia.com/advisories/62594
- http://www.securityfocus.com/bid/72278
- http://www.securitytracker.com/id/1031615
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.416326
- http://www.ubuntu.com/usn/USN-2481-1
- https://download.samba.org/pub/samba/patches/security/samba-4.0.23-CVE-2014-8143.patch
- https://download.samba.org/pub/samba/patches/security/samba-4.1.15-CVE-2014-8143.patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/100596
- https://www.samba.org/samba/security/CVE-2014-8143