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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.1 CRITICAL
NETWORK
LOW
HIGH
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
redhatCNA
---
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 83%
VendorProductVersion
linuxcontainerslxc
𝑥
< 1.0.9
linuxcontainerslxc
2.0.0 ≤
𝑥
< 2.0.6
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
lxc
bullseye
1:4.0.6-2+deb11u2
fixed
wheezy
no-dsa
bookworm
1:5.0.2-1+deb12u2
fixed
sid
1:6.0.2-1
fixed
trixie
1:6.0.2-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
lxc
zesty
Fixed 2.0.5-0ubuntu4
released
yakkety
Fixed 2.0.5-0ubuntu1.2
released
xenial
Fixed 2.0.5-0ubuntu1~ubuntu16.04.3
released
trusty
Fixed 1.0.8-0ubuntu0.4
released
precise
ignored
Common Weakness Enumeration
References
http://www.securityfocus.com/bid/94498
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845465
https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1639345
https://bugzilla.redhat.com/show_bug.cgi?id=1398242
https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165c
https://security-tracker.debian.org/tracker/CVE-2016-8649
http://www.securityfocus.com/bid/94498
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845465
https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1639345
https://bugzilla.redhat.com/show_bug.cgi?id=1398242
https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165c
https://security-tracker.debian.org/tracker/CVE-2016-8649