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openvasCopyright (C) 2020 Greenbone Networks GmbHOPENVAS:1361412562310883242
HistoryJun 02, 2020 - 12:00 a.m.

CentOS: Security Advisory for freerdp (CESA-2020:2334)

2020-06-0200:00:00
Copyright (C) 2020 Greenbone Networks GmbH
plugins.openvas.org
22

6 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

6.6 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

5.7 Medium

AI Score

Confidence

Low

0.02 Low

EPSS

Percentile

88.9%

The remote host is missing an update for the

# Copyright (C) 2020 Greenbone Networks GmbH
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.883242");
  script_version("2021-07-06T02:00:40+0000");
  script_cve_id("CVE-2020-11521", "CVE-2020-11523", "CVE-2020-11524");
  script_tag(name:"cvss_base", value:"6.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:S/C:P/I:P/A:P");
  script_tag(name:"last_modification", value:"2021-07-06 02:00:40 +0000 (Tue, 06 Jul 2021)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-08-30 02:15:00 +0000 (Sun, 30 Aug 2020)");
  script_tag(name:"creation_date", value:"2020-06-02 03:00:57 +0000 (Tue, 02 Jun 2020)");
  script_name("CentOS: Security Advisory for freerdp (CESA-2020:2334)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2020 Greenbone Networks GmbH");
  script_family("CentOS Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/centos", "ssh/login/rpms", re:"ssh/login/release=CentOS7");

  script_xref(name:"CESA", value:"2020:2334");
  script_xref(name:"URL", value:"https://lists.centos.org/pipermail/centos-announce/2020-June/035742.html");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'freerdp'
  package(s) announced via the CESA-2020:2334 advisory.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");

  script_tag(name:"insight", value:"FreeRDP is a free implementation of the Remote Desktop Protocol (RDP),
released under the Apache license. The xfreerdp client can connect to RDP
servers such as Microsoft Windows machines, xrdp, and VirtualBox.

Security Fix(es):

  * freerdp: Out-of-bounds write in planar.c (CVE-2020-11521)

  * freerdp: Integer overflow in region.c (CVE-2020-11523)

  * freerdp: Out-of-bounds write in interleaved.c (CVE-2020-11524)

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.");

  script_tag(name:"affected", value:"'freerdp' package(s) on CentOS 7.");

  script_tag(name:"solution", value:"Please install the updated package(s).");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"package");

  exit(0);
}

include("revisions-lib.inc");
include("pkg-lib-rpm.inc");

release = rpm_get_ssh_release();
if(!release)
  exit(0);

res = "";
report = "";

if(release == "CentOS7") {

  if(!isnull(res = isrpmvuln(pkg:"freerdp", rpm:"freerdp~2.0.0~4.rc4.el7_8", rls:"CentOS7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"freerdp-devel", rpm:"freerdp-devel~2.0.0~4.rc4.el7_8", rls:"CentOS7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"freerdp-libs", rpm:"freerdp-libs~2.0.0~4.rc4.el7_8", rls:"CentOS7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libwinpr", rpm:"libwinpr~2.0.0~4.rc4.el7_8", rls:"CentOS7"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libwinpr-devel", rpm:"libwinpr-devel~2.0.0~4.rc4.el7_8", rls:"CentOS7"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

exit(0);

6 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

6.6 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

5.7 Medium

AI Score

Confidence

Low

0.02 Low

EPSS

Percentile

88.9%