CVE-2016-8649

lxc-attach in LXC before 1.0.9 and 2.x before 2.0.6 allows an attacker inside of an unprivileged container to use an inherited file descriptor, of the host's /proc, to access the rest of the host's filesystem via the openat() family of syscalls.

CVSS v3.0 9.1 CRITICAL
CVSS v2.0 9.0 HIGH

9.1^/10

CVSS v3.0 : CRITICAL

V3 Legend

Vector : AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Exploitability : 2.3 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

9.0^/10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://security-tracker.debian.org/tracker/CVE-2016-8649	Third Party Advisory VDB Entry
https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165c	Patch Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1398242	Issue Tracking Patch
https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1639345	Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845465	Third Party Advisory
http://www.securityfocus.com/bid/94498	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:linuxcontainers:lxc::::::::
	cpe:2.3:a:linuxcontainers:lxc::::::::

Information

Published : 2017-04-30 23:59

Updated : 2018-10-26 06:53

NVD link : CVE-2016-8649

Mitre link : CVE-2016-8649

JSON object : View

CWE

CWE-264

Permissions, Privileges, and Access Controls

Products Affected

linuxcontainers

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9.1 /10