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CentOS 8 : spice-vdagent (CESA-2021:1791)

medium Nessus Plugin ID 149754

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Synopsis

The remote CentOS host is missing one or more security updates.

Description

The remote CentOS Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the CESA-2021:1791 advisory.

 - spice-vdagent: memory DoS via arbitrary entries in active_xfers hash table (CVE-2020-25650)

 - spice-vdagent: possible file transfer DoS and information leak via active_xfers hash map (CVE-2020-25651)

 - spice-vdagent: possibility to exhaust file descriptors in vdagentd (CVE-2020-25652)

 - spice-vdagent: UNIX domain socket peer PID retrieved via SO_PEERCRED is subject to race condition (CVE-2020-25653)

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 spice-vdagent package.

See Also

https://access.redhat.com/errata/RHSA-2021:1791

Plugin Details

Severity: Medium

ID: 149754

File Name: centos8_RHSA-2021-1791.nasl

Version: 1.5

Type: local

Agent: unix

Published: 5/19/2021

Updated: 12/29/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.2

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

CVSS Score Source: CVE-2020-25653

CVSS v3

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5.8

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

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

CVSS Score Source: CVE-2020-25651

Vulnerability Information

CPE: cpe:/o:centos:centos:8-stream, p-cpe:/a:centos:centos:spice-vdagent

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/18/2021

Vulnerability Publication Date: 11/25/2020

Reference Information

CVE: CVE-2020-25650, CVE-2020-25651, CVE-2020-25652, CVE-2020-25653

RHSA: 2021:1791