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CVE
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CVE-2016-2123Date: (C)2019-03-17   (M)2024-02-16


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 8.8CVSS Score : 6.5
Exploit Score: 2.8Exploit Score: 8.0
Impact Score: 5.9Impact Score: 6.4
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: LOWAuthentication: SINGLE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: PARTIAL
Confidentiality: HIGHAvailability: PARTIAL
Integrity: HIGH 
Availability: HIGH 
  
Reference:
SECTRACK-1037493
BID-94970
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-2123
https://www.samba.org/samba/security/CVE-2016-2123.html

CWE    1
CWE-122
OVAL    9
oval:org.secpod.oval:def:1000640
oval:org.secpod.oval:def:89045288
oval:org.secpod.oval:def:89045155
oval:org.secpod.oval:def:1800437
...

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