CVE-2016-2854

The aufs module for the Linux kernel 3.x and 4.x does not properly maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory.

CVSS v3.0 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/	Exploit Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/02/24/9	Exploit Mailing List Third Party Advisory
https://sourceforge.net/p/aufs/mailman/message/34864744/	Third Party Advisory
http://www.securityfocus.com/bid/96838	Third Party Advisory VDB Entry

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

Information

Published : 2016-05-02 03:59

Updated : 2020-08-07 12:53

NVD link : CVE-2016-2854

Mitre link : CVE-2016-2854

JSON object : View

CWE

CWE-269

Improper Privilege Management

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Products Affected

linux

linux_kernel

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