Detections
Analytics

Oracle Linux 7 : runc (ELSA-2021-14902)

high Nessus Plugin ID 162817

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Synopsis

The remote Oracle Linux host is missing a security update.

Description

The remote Oracle Linux 7 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2021-14902 advisory.

 - runc before 1.0.0-rc95 allows a Container Filesystem Breakout via Directory Traversal. To exploit the vulnerability, an attacker must be able to create multiple containers with a fairly specific mount configuration. The problem occurs via a symlink-exchange attack that relies on a race condition.
 (CVE-2021-30465)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected runc package.

See Also

https://linux.oracle.com/errata/ELSA-2021-14902.html

Plugin Details

Severity: High

ID: 162817

File Name: oraclelinux_ELSA-2021-14902.nasl

Version: 1.2

Type: local

Agent: unix

Published: 7/7/2022

Updated: 7/7/2022

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.3

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 4.4

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

CVSS Score Source: CVE-2021-30465

CVSS v3

Risk Factor: High

Base Score: 8.5

Temporal Score: 7.4

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

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

Vulnerability Information

CPE: cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:runc

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Ease: No known exploits are available

Patch Publication Date: 6/11/2021

Vulnerability Publication Date: 5/14/2021

Reference Information

CVE: CVE-2021-30465