Lxc
CVE-2018-6556
LOW
Vulnerability Assessment
| Weakness |
CWE
|
| Impact | CVSS score of 3.3 (LOW). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required. |
| Exploit ScenarioDerived | Successful exploitation could compromise the low-severity affected system. |
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Alert meAnalysisAI
lxc-user-nic when asked to delete a network interface will unconditionally open a user provided path. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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Technical ContextAI · show details
This vulnerability is classified under CWE-417. 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. Affected products include: Canonical Ubuntu Linux, Linuxcontainers Lxc, Suse Caas Platform, Suse Openstack Cloud, Suse Suse Linux Enterprise Server. Version information: prior to 3.0.2..
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Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
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.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
Affected Products (CPE)NVD
The lxc-sshd template (templates/lxc-sshd.in) in LXC before 1.0.0.beta2 uses read-write permissions when mounting /sbin/
Path traversal in Incus system container manager allows authenticated remote attackers to write arbitrary files as root
Incus system container and virtual machine manager versions prior to 6.23.0 allow authenticated users with instance acce
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 inh
lxclock.c in LXC 1.1.2 and earlier allows local users to create arbitrary files via a symlink attack on /run/lock/lxc/*.
Authentication bypass in Incus webui (versions prior to 6.23.0) permits local or remote attackers to gain unauthorized a
An issue was discovered in Linux Containers (LXC) before 2016-02-22. Rated high severity (CVSS 8.6), this vulnerability
Hard-coded pacman signing key in lxc-ci's Arch Linux image build lets a mirror-position attacker forge trusted packages
lxc-start in lxc before 1.0.8 and 1.1.x before 1.1.4 allows local container administrators to escape AppArmor confinemen
Denial of service in Incus prior to version 6.23.0 allows authenticated users with storage bucket access to crash the In
Incus versions prior to 6.23.0 fail to validate image fingerprints when downloading from simplestreams servers, enabling
Incus versions prior to 6.23.0 allow local authenticated attackers to manipulate temporary screenshot files via predicta
GitHub PoC
Exploit-DB