Vulnerability Details : CVE-2018-6556

lxc-user-nic when asked to delete a network interface will unconditionally open a user provided path. This code path may be used by an unprivileged user to check for the existence of a path which they wouldn't otherwise be able to reach. It may also be used to trigger side effects by causing a (read-only) open of special kernel files (ptmx, proc, sys). Affected releases are LXC: 2.0 versions above and including 2.0.9; 3.0 versions above and including 3.0.0, prior to 3.0.2.
Published 2018-08-10 15:29:01
Updated 2019-05-31 21:29:02
Source Canonical Ltd.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2018-6556

EPSS FAQ
0.08%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 32 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-6556

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
2.1
 LOW AV:L/AC:L/Au:N/C:P/I:N/A:N
3.9
2.9
 NIST
3.3
 LOW CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
1.8
1.4
 NIST

CWE ids for CVE-2018-6556

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-6556

Products affected by CVE-2018-6556

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