CVE-2014-8143
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 2.0
- 8.5 HIGHAV:N/AC:M/Au:S/C:C/I:C/A:C
- EPSS
- 4.26% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- samba/samba
- Source
- secalert@redhat.com
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.patchPatch
- https://download.samba.org/pub/samba/patches/security/samba-4.1.15-CVE-2014-8143.patchPatch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/100596
- https://www.samba.org/samba/security/CVE-2014-8143Patch, Vendor Advisory
- 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.patchPatch
- https://download.samba.org/pub/samba/patches/security/samba-4.1.15-CVE-2014-8143.patchPatch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/100596
- https://www.samba.org/samba/security/CVE-2014-8143Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.