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openSUSE Security Update : lxc (openSUSE-2019-2245)

high Nessus Plugin ID 129580

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Synopsis

The remote openSUSE host is missing a security update.

Description

This update for lxc fixes the following issues :

Update to lxc 3.2.1. The changelog can be found at

https://discuss.linuxcontainers.org/t/lxc-3-2-1-has-been-released/5322

 + seccomp: support syscall forwarding to userspace

 + add lxc.seccomp.allow_nesting

 + pidfd: Add initial support for the new pidfd api

 - Many hardening improvements.

 - Use /sys/kernel/cgroup/delegate file for cgroup v2.

 - Fix CVE-2019-5736 equivalent bug.

 - fix apparmor dropin to be compatible with LXC 3.1.0 (boo#1131762)

Solution

Update the affected lxc packages.

See Also

https://bugzilla.opensuse.org/show_bug.cgi?id=1131762

https://discuss.linuxcontainers.org/t/lxc-3-2-1-has-been-released/5322

Plugin Details

Severity: High

ID: 129580

File Name: openSUSE-2019-2245.nasl

Version: 1.6

Type: local

Agent: unix

Published: 10/4/2019

Updated: 4/19/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 10.0

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 8.1

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2019-5736

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 8.2

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:liblxc-devel, p-cpe:/a:novell:opensuse:liblxc1, p-cpe:/a:novell:opensuse:liblxc1-debuginfo, p-cpe:/a:novell:opensuse:lxc, p-cpe:/a:novell:opensuse:lxc-bash-completion, p-cpe:/a:novell:opensuse:lxc-debuginfo, p-cpe:/a:novell:opensuse:lxc-debugsource, p-cpe:/a:novell:opensuse:pam_cgfs, p-cpe:/a:novell:opensuse:pam_cgfs-debuginfo, cpe:/o:novell:opensuse:15.1

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/3/2019

Vulnerability Publication Date: 2/11/2019

Exploitable With

Metasploit (Docker Container Escape Via runC Overwrite)

Reference Information

CVE: CVE-2019-5736