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RHEL 8 : spice-vdagent (RHSA-2021:1791)
medium Nessus Plugin ID 149673
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Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-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 these issues 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/security/cve/CVE-2020-25650
https://access.redhat.com/security/cve/CVE-2020-25651
https://access.redhat.com/security/cve/CVE-2020-25652
https://access.redhat.com/security/cve/CVE-2020-25653
https://access.redhat.com/errata/RHSA-2021:1791
https://bugzilla.redhat.com/1886345
https://bugzilla.redhat.com/1886359
Plugin Details
Severity: Medium
ID: 149673
File Name: redhat-RHSA-2021-1791.nasl
Version: 1.10
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 5/19/2021
Updated: 1/1/2024
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, 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:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_aus:8.4, cpe:/o:redhat:rhel_aus:8.6, cpe:/o:redhat:rhel_e4s:8.4, cpe:/o:redhat:rhel_e4s:8.6, cpe:/o:redhat:rhel_eus:8.4, cpe:/o:redhat:rhel_eus:8.6, cpe:/o:redhat:rhel_tus:8.4, cpe:/o:redhat:rhel_tus:8.6, p-cpe:/a:redhat:enterprise_linux:spice-vdagent
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: 5/18/2021
Vulnerability Publication Date: 11/25/2020
Reference Information
CVE: CVE-2020-25650, CVE-2020-25651, CVE-2020-25652, CVE-2020-25653