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cveRedhatCVE-2016-2126
HistoryMay 11, 2017 - 2:29 p.m.

CVE-2016-2126

2017-05-1114:29:58
CWE-264
redhat
web.nvd.nist.gov
104
4
samba
cve-2016-2126
privilege elevation
pac checksum
nvd
security vulnerability

CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.7

Confidence

High

EPSS

0.004

Percentile

75.0%

JSON

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.

Affected configurations

Nvd
Node
sambasambaRange4.0.0–4.3.13
OR
sambasambaRange4.4.0–4.4.8
OR
sambasambaRange4.5.0–4.5.3
VendorProductVersionCPE
sambasamba*cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*

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CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.7

Confidence

High

EPSS

0.004

Percentile

75.0%

JSON
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