RHEL 7 : slirp4netns (RHSA-2020:0889)

high Nessus Plugin ID 138073

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Synopsis

The remote Red Hat host is missing one or more security updates for slirp4netns.

Description

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2020:0889 advisory.

The slirp4netns package contains user-mode networking for unprivileged network namespaces. It is required to enable networking for rootless containers.

Security Fix(es):

* QEMU: slirp: heap buffer overflow during packet reassembly (CVE-2019-14378)

* QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu() (CVE-2020-7039)

* CVE-2020-8608 slirp4netns: QEMU: Slirp: potential OOB access due to unsafe snprintf() usages

* CVE-2019-15890 QEMU: Slirp: use-after-free during packet reassembly

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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

Solution

Update the RHEL slirp4netns package based on the guidance in RHSA-2020:0889.

Plugin Details

Severity: High

ID: 138073

File Name: redhat-RHSA-2020-0889.nasl

Version: 1.12

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 7/2/2020

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2020-8608

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

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

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

CVSS Score Source: CVE-2019-14378

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:slirp4netns, cpe:/o:redhat:enterprise_linux:7

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/17/2020

Vulnerability Publication Date: 7/29/2019

Reference Information

CVE: CVE-2019-14378, CVE-2019-15890, CVE-2020-7039, CVE-2020-8608

CWE: 122, 416

RHSA: 2020:0889

Detections

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