Vulnerability 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 Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linuxcontainers | Lxc | < 1.0.9 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/94498Third Party AdvisoryVDB Entry
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845465Third Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1639345Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1398242Issue TrackingPatch
- https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165cPatchVendor Advisory
- https://security-tracker.debian.org/tracker/CVE-2016-8649Third Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/94498Third Party AdvisoryVDB Entry
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845465Third Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1639345Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1398242Issue TrackingPatch
- https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165cPatchVendor Advisory
- https://security-tracker.debian.org/tracker/CVE-2016-8649Third Party AdvisoryVDB Entry
FAQ
What is CVE-2016-8649?
CVE-2016-8649 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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 fi...
How severe is CVE-2016-8649?
CVE-2016-8649 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2016-8649?
Check the references section above for vendor advisories and patch information. Affected products include: Linuxcontainers Lxc.