CentOS 8 : freerdp and vinagre (CESA-2020:4647)

high Nessus Plugin ID 146026


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


The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2020:4647 advisory.

- freerdp: Out of bound read in cliprdr_server_receive_capabilities (CVE-2020-11018)

- freerdp: Out of bound read in update_recv could result in a crash (CVE-2020-11019)

- freerdp: Integer overflow in VIDEO channel (CVE-2020-11038)

- freerdp: Out of bound read/write in usb redirection channel (CVE-2020-11039)

- freerdp: Out of bound access in clear_decompress_subcode_rlex (CVE-2020-11040)

- freerdp: Unchecked read of array offset in rdpsnd_recv_wave2_pdu (CVE-2020-11041)

- freerdp: out-of-bounds read in update_read_icon_info function (CVE-2020-11042)

- freerdp: out of bound read in rfx_process_message_tileset (CVE-2020-11043)

- freerdp: double free in update_read_cache_bitmap_v3_order function (CVE-2020-11044)

- freerdp: out of bounds read in update_read_bitmap_data function (CVE-2020-11045)

- freerdp: out of bounds seek in update_read_synchronize function could lead out of bounds read (CVE-2020-11046)

- freerdp: out-of-bounds read in autodetect_recv_bandwidth_measure_results function (CVE-2020-11047)

- freerdp: out-of-bounds read could result in aborting the session (CVE-2020-11048)

- freerdp: out-of-bound read of client memory that is then passed on to the protocol parser (CVE-2020-11049)

- freerdp: stream out-of-bounds seek in rdp_read_font_capability_set could lead to out-of-bounds read (CVE-2020-11058)

- freerdp: out-of-bounds read in cliprdr_read_format_list function (CVE-2020-11085)

- freerdp: out-of-bounds read in ntlm_read_ntlm_v2_client_challenge function (CVE-2020-11086)

- freerdp: out-of-bounds read in ntlm_read_AuthenticateMessage (CVE-2020-11087)

- freerdp: out-of-bounds read in ntlm_read_NegotiateMessage (CVE-2020-11088)

- freerdp: out-of-bounds read in irp functions (CVE-2020-11089)

- freerdp: out-of-bounds read in gdi.c (CVE-2020-11522)

- freerdp: out-of-bounds read in bitmap.c (CVE-2020-11525)

- freerdp: Stream pointer out of bounds in update_recv_secondary_order could lead out of bounds read later (CVE-2020-11526)

- freerdp: Out-of-bounds read in ntlm_read_ChallengeMessage in winpr/libwinpr/sspi/NTLM/ntlm_message.c.

- freerdp: Out-of-bounds read in security_fips_decrypt in libfreerdp/core/security.c (CVE-2020-13397)

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


Update the affected packages.

See Also


Plugin Details

Severity: High

ID: 146026

File Name: centos8_RHSA-2020-4647.nasl

Version: 1.6

Type: local

Agent: unix

Published: 2/1/2021

Updated: 1/24/2024

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

Risk Information


Risk Factor: Medium

Score: 6.0


Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

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

CVSS Score Source: CVE-2020-11522


Risk Factor: High

Base Score: 7.1

Temporal Score: 6.4

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

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

CVSS Score Source: CVE-2020-13396

Vulnerability Information

CPE: cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:freerdp, p-cpe:/a:centos:centos:freerdp-devel, p-cpe:/a:centos:centos:freerdp-libs, p-cpe:/a:centos:centos:libwinpr, p-cpe:/a:centos:centos:libwinpr-devel, p-cpe:/a:centos:centos:vinagre

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/4/2020

Vulnerability Publication Date: 5/7/2020

Reference Information

CVE: CVE-2020-11018, CVE-2020-11019, CVE-2020-11038, CVE-2020-11039, CVE-2020-11040, CVE-2020-11041, CVE-2020-11042, CVE-2020-11043, CVE-2020-11044, CVE-2020-11045, CVE-2020-11046, CVE-2020-11047, CVE-2020-11048, CVE-2020-11049, CVE-2020-11058, CVE-2020-11085, CVE-2020-11086, CVE-2020-11087, CVE-2020-11088, CVE-2020-11089, CVE-2020-11522, CVE-2020-11525, CVE-2020-11526, CVE-2020-13396, CVE-2020-13397

RHSA: 2020:4647