7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.2 High
AI Score
Confidence
High
7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.0005 Low
EPSS
Percentile
17.0%
The remote host is missing an update for the
# Copyright (C) 2022 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("1.3.6.1.4.1.25623.1.0.883693");
script_version("2022-04-01T03:04:03+0000");
script_cve_id("CVE-2021-4008", "CVE-2021-4009", "CVE-2021-4010", "CVE-2021-4011");
script_tag(name:"cvss_base", value:"7.2");
script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:C/I:C/A:C");
script_tag(name:"last_modification", value:"2022-04-01 03:04:03 +0000 (Fri, 01 Apr 2022)");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2022-03-30 16:32:00 +0000 (Wed, 30 Mar 2022)");
script_tag(name:"creation_date", value:"2022-01-12 02:00:38 +0000 (Wed, 12 Jan 2022)");
script_name("CentOS: Security Advisory for xorg-x11-server-common (CESA-2022:0003)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2022 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:"Advisory-ID", value:"CESA-2022:0003");
script_xref(name:"URL", value:"https://lists.centos.org/pipermail/centos-announce/2022-January/073535.html");
script_tag(name:"summary", value:"The remote host is missing an update for the 'xorg-x11-server-common'
package(s) announced via the CESA-2022:0003 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"X.Org is an open-source implementation of the X Window System. It provides
the basic low-level functionality that full-fledged graphical user
interfaces are designed upon.
Security Fix(es):
* xorg-x11-server: SProcRenderCompositeGlyphs out-of-bounds access
(CVE-2021-4008)
* xorg-x11-server: SProcXFixesCreatePointerBarrier out-of-bounds access
(CVE-2021-4009)
* xorg-x11-server: SProcScreenSaverSuspend out-of-bounds access
(CVE-2021-4010)
* xorg-x11-server: SwapCreateRegister out-of-bounds access (CVE-2021-4011)
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:"'xorg-x11-server-common' 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:"xorg-x11-server-common", rpm:"xorg-x11-server-common~1.20.4~17.el7_9", rls:"CentOS7"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xorg-x11-server-devel", rpm:"xorg-x11-server-devel~1.20.4~17.el7_9", rls:"CentOS7"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xorg-x11-server-source", rpm:"xorg-x11-server-source~1.20.4~17.el7_9", rls:"CentOS7"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xorg-x11-server-Xdmx", rpm:"xorg-x11-server-Xdmx~1.20.4~17.el7_9", rls:"CentOS7"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xorg-x11-server-Xephyr", rpm:"xorg-x11-server-Xephyr~1.20.4~17.el7_9", rls:"CentOS7"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xorg-x11-server-Xnest", rpm:"xorg-x11-server-Xnest~1.20.4~17.el7_9", rls:"CentOS7"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xorg-x11-server-Xorg", rpm:"xorg-x11-server-Xorg~1.20.4~17.el7_9", rls:"CentOS7"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xorg-x11-server-Xvfb", rpm:"xorg-x11-server-Xvfb~1.20.4~17.el7_9", rls:"CentOS7"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xorg-x11-server-Xwayland", rpm:"xorg-x11-server-Xwayland~1.20.4~17.el7_9", rls:"CentOS7"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"xorg-x11-server", rpm:"xorg-x11-server~1.20.4~17.el7_9", rls:"CentOS7"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.2 High
AI Score
Confidence
High
7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.0005 Low
EPSS
Percentile
17.0%