A flaw was found in samba versions 4.0.0 to 4.5.2. The Samba routine ndr_pull_dnsp_name contains an integer wrap problem, leading to an attacker-controlled memory overwrite. ndr_pull_dnsp_name parses data from the Samba Active Directory ldb database. Any user who can write to the dnsRecord attribute over LDAP can trigger this memory corruption. By default, all authenticated LDAP users can write to the dnsRecord attribute on new DNS objects. This makes the defect a remote privilege escalation.
References
| Link | Resource |
|---|---|
| http://www.securityfocus.com/bid/94970 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1037493 | Third Party Advisory VDB Entry |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-2123 | Issue Tracking |
| https://www.samba.org/samba/security/CVE-2016-2123.html | Patch Vendor Advisory |
| http://www.securityfocus.com/bid/94970 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1037493 | Third Party Advisory VDB Entry |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-2123 | Issue Tracking |
| https://www.samba.org/samba/security/CVE-2016-2123.html | Patch Vendor Advisory |
Configurations
Configuration 1 (hide)
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History
21 Nov 2024, 02:47
| Type | Values Removed | Values Added |
|---|---|---|
| References | () http://www.securityfocus.com/bid/94970 - Third Party Advisory, VDB Entry | |
| References | () http://www.securitytracker.com/id/1037493 - Third Party Advisory, VDB Entry | |
| References | () https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-2123 - Issue Tracking | |
| References | () https://www.samba.org/samba/security/CVE-2016-2123.html - Patch, Vendor Advisory |
Information
Published : 2018-11-01 13:29
Updated : 2024-11-21 02:47
NVD link : CVE-2016-2123
Mitre link : CVE-2016-2123
CVE.ORG link : CVE-2016-2123
JSON object : View
Products Affected
samba
- samba