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CVE
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CVE-2016-2126Date: (C)2017-05-12   (M)2018-06-09


Samba version 4.0.0 up to 4.5.2 is vulnerable to privilege elevation due to incorrect handling of the PAC (Privilege Attribute Certificate) checksum. A remote, authenticated, attacker can cause the winbindd process to crash using a legitimate Kerberos ticket. A local service with access to the winbindd privileged pipe can cause winbindd to cache elevated access permissions.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 6.5CVSS Score : 4.0
Exploit Score: 2.8Exploit Score: 8.0
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: LOWAuthentication: SINGLE_INSTANCE
User Interaction: NONEConfidentiality: NONE
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: PARTIAL
Integrity: NONE 
Availability: HIGH 
  
Reference:
SECTRACK-1037495
BID-94994
RHSA-2017:0494
RHSA-2017:0495
RHSA-2017:0662
RHSA-2017:0744
RHSA-2017:1265
https://www.samba.org/samba/security/CVE-2016-2126.html

CPE    69
cpe:/a:samba:samba:4.1.13
cpe:/a:samba:samba:4.1.12
cpe:/a:samba:samba:4.1.11
cpe:/a:samba:samba:4.1.10
...
CWE    1
CWE-264
OVAL    16
oval:org.secpod.oval:def:703405
oval:org.secpod.oval:def:602704
oval:org.secpod.oval:def:501996
oval:org.secpod.oval:def:502005
...

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