CVE-2016-2123: Detailed Vulnerability Analysis and Overview

Status: Modified - Last modified: 21-11-2024 Published: 01-11-2018

CVE-2016-2123
Vulnerability Scoring

8.8
/10

Attack Complexity Details

  • Attack Complexity: Low Impact
  • Attack Vector: NETWORK
  • Privileges Required: Low Impact
  • Scope: UNCHANGED
  • User Interaction: NONE

CIA Impact Definition

  • Confidentiality: HIGH IMPACT
  • Integrity: HIGH IMPACT
  • Availability: HIGH IMPACT

CVE-2016-2123 Vulnerability Summary

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.

Access Complexity Graph for CVE-2016-2123

Impact Analysis for CVE-2016-2123

CVE-2016-2123: Detailed Information and External References

EPSS

0.94136

EPSS %

0.99283

References

0.94136

CWE

CWE-119

CAPEC

0.94136

Vulnerable Configurations

CVSS3 Source

nvd@nist.gov

CVSS3 Type

Primary

CVSS3 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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