Vulnerability Monitor

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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.

Published

2017-05-01T06:59:00.157

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 9.1 (CRITICAL)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

8.0

Impact Score

10.0

Weaknesses

Type: Primary
CWE-264

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	linuxcontainers	lxc	< 1.0.9	Yes
Application	linuxcontainers	lxc	< 2.0.6	Yes

References

http://www.securityfocus.com/bid/94498 Third Party Advisory, VDB Entry ([email protected])
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845465 Third Party Advisory ([email protected])
https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1639345 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1398242 Issue Tracking, Patch ([email protected])
https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165c Patch, Vendor Advisory ([email protected])
https://security-tracker.debian.org/tracker/CVE-2016-8649 Third Party Advisory, VDB Entry ([email protected])
http://www.securityfocus.com/bid/94498 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845465 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1639345 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1398242 Issue Tracking, Patch (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165c Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security-tracker.debian.org/tracker/CVE-2016-8649 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)