Critical severity · published May 1, 2017
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…
9.1
CVSS
2.8%
EPSS
No
On KEV
Description
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 vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)2.8% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LX
Lxc · Linuxcontainers
before 1.0.9; 2.0.0 before 2.0.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-8649
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-8649
Third Party Advisory
http://www.securityfocus.com/bid/94498
Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845465
Third Party Advisory
https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1639345
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1398242
Patch
https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165c
Third Party Advisory
https://security-tracker.debian.org/tracker/CVE-2016-8649
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