Access Restriction Bypass Affecting lxc package, versions [,1.0.9)[2.0.0,2.0.6)


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
2.81% (86th percentile)

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  • Snyk IDSNYK-UNMANAGED-LXC-2370747
  • published26 Jan 2022
  • disclosed1 May 2017
  • creditUnknown

Introduced: 1 May 2017

CVE-2016-8649  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade lxc to version 1.0.9, 2.0.6 or higher.

Overview

Affected versions of this package are vulnerable to Access Restriction Bypass 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.

References

CVSS Base Scores

version 3.1