7.2 High
CVSS2
Attack Vector
LOCAL
Attack 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
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
0.0004 Low
EPSS
Percentile
10.1%
This update for xorg-x11-server fixes the following issues :
CVE-2021-3472: XChangeFeedbackControl Integer Underflow Privilege Escalation (bsc#1180128)
Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2021:1182-1.
# The text itself is copyright (C) SUSE.
#
include('deprecated_nasl_level.inc');
include("compat.inc");
if (description)
{
script_id(148531);
script_version("1.5");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/05/24");
script_cve_id("CVE-2021-3472");
script_name(english:"SUSE SLED15 / SLES15 Security Update : xorg-x11-server (SUSE-SU-2021:1182-1)");
script_summary(english:"Checks rpm output for the updated packages.");
script_set_attribute(
attribute:"synopsis",
value:"The remote SUSE host is missing one or more security updates."
);
script_set_attribute(
attribute:"description",
value:
"This update for xorg-x11-server fixes the following issues :
CVE-2021-3472: XChangeFeedbackControl Integer Underflow Privilege
Escalation (bsc#1180128)
Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1180128"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2021-3472/"
);
# https://www.suse.com/support/update/announcement/2021/suse-su-20211182-1
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?926ec3e8"
);
script_set_attribute(
attribute:"solution",
value:
"To install this SUSE Security Update use the SUSE recommended
installation methods like YaST online_update or 'zypper patch'.
Alternatively you can run the command listed for your product :
SUSE Linux Enterprise Workstation Extension 15-SP3 :
zypper in -t patch SUSE-SLE-Product-WE-15-SP3-2021-1182=1
SUSE Linux Enterprise Workstation Extension 15-SP2 :
zypper in -t patch SUSE-SLE-Product-WE-15-SP2-2021-1182=1
SUSE Linux Enterprise Module for Development Tools 15-SP3 :
zypper in -t patch
SUSE-SLE-Module-Development-Tools-15-SP3-2021-1182=1
SUSE Linux Enterprise Module for Development Tools 15-SP2 :
zypper in -t patch
SUSE-SLE-Module-Development-Tools-15-SP2-2021-1182=1
SUSE Linux Enterprise Module for Basesystem 15-SP3 :
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2021-1182=1
SUSE Linux Enterprise Module for Basesystem 15-SP2 :
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-1182=1"
);
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-3472");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xorg-x11-server");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xorg-x11-server-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xorg-x11-server-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xorg-x11-server-extra");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xorg-x11-server-extra-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:xorg-x11-server-sdk");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:15");
script_set_attribute(attribute:"vuln_publication_date", value:"2021/04/26");
script_set_attribute(attribute:"patch_publication_date", value:"2021/04/13");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/04/14");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"SuSE Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/SuSE/release", "Host/SuSE/rpm-list");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("rpm.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/SuSE/release");
if (isnull(release) || release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
os_ver = pregmatch(pattern: "^(SLE(S|D)\d+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "SUSE");
os_ver = os_ver[1];
if (! preg(pattern:"^(SLED15|SLES15)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLED15 / SLES15", "SUSE " + os_ver);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);
sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES15" && (! preg(pattern:"^(2|3)$", string:sp))) audit(AUDIT_OS_NOT, "SLES15 SP2/3", os_ver + " SP" + sp);
if (os_ver == "SLED15" && (! preg(pattern:"^(2|3)$", string:sp))) audit(AUDIT_OS_NOT, "SLED15 SP2/3", os_ver + " SP" + sp);
flag = 0;
if (rpm_check(release:"SLES15", sp:"3", reference:"xorg-x11-server-1.20.3-22.5.25.1")) flag++;
if (rpm_check(release:"SLES15", sp:"3", reference:"xorg-x11-server-debuginfo-1.20.3-22.5.25.1")) flag++;
if (rpm_check(release:"SLES15", sp:"3", reference:"xorg-x11-server-debugsource-1.20.3-22.5.25.1")) flag++;
if (rpm_check(release:"SLES15", sp:"3", reference:"xorg-x11-server-extra-1.20.3-22.5.25.1")) flag++;
if (rpm_check(release:"SLES15", sp:"3", reference:"xorg-x11-server-extra-debuginfo-1.20.3-22.5.25.1")) flag++;
if (rpm_check(release:"SLES15", sp:"3", reference:"xorg-x11-server-sdk-1.20.3-22.5.25.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"xorg-x11-server-1.20.3-22.5.25.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"xorg-x11-server-debuginfo-1.20.3-22.5.25.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"xorg-x11-server-debugsource-1.20.3-22.5.25.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"xorg-x11-server-extra-1.20.3-22.5.25.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"xorg-x11-server-extra-debuginfo-1.20.3-22.5.25.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"xorg-x11-server-sdk-1.20.3-22.5.25.1")) flag++;
if (rpm_check(release:"SLED15", sp:"3", reference:"xorg-x11-server-1.20.3-22.5.25.1")) flag++;
if (rpm_check(release:"SLED15", sp:"3", reference:"xorg-x11-server-debuginfo-1.20.3-22.5.25.1")) flag++;
if (rpm_check(release:"SLED15", sp:"3", reference:"xorg-x11-server-debugsource-1.20.3-22.5.25.1")) flag++;
if (rpm_check(release:"SLED15", sp:"3", reference:"xorg-x11-server-extra-1.20.3-22.5.25.1")) flag++;
if (rpm_check(release:"SLED15", sp:"3", reference:"xorg-x11-server-extra-debuginfo-1.20.3-22.5.25.1")) flag++;
if (rpm_check(release:"SLED15", sp:"3", reference:"xorg-x11-server-sdk-1.20.3-22.5.25.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"xorg-x11-server-1.20.3-22.5.25.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"xorg-x11-server-debuginfo-1.20.3-22.5.25.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"xorg-x11-server-debugsource-1.20.3-22.5.25.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"xorg-x11-server-extra-1.20.3-22.5.25.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"xorg-x11-server-extra-debuginfo-1.20.3-22.5.25.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"xorg-x11-server-sdk-1.20.3-22.5.25.1")) flag++;
if (flag)
{
if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
else security_hole(0);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "xorg-x11-server");
}
Vendor | Product | Version | CPE |
---|---|---|---|
novell | suse_linux | xorg-x11-server | p-cpe:/a:novell:suse_linux:xorg-x11-server |
novell | suse_linux | xorg-x11-server-debuginfo | p-cpe:/a:novell:suse_linux:xorg-x11-server-debuginfo |
novell | suse_linux | xorg-x11-server-debugsource | p-cpe:/a:novell:suse_linux:xorg-x11-server-debugsource |
novell | suse_linux | xorg-x11-server-extra | p-cpe:/a:novell:suse_linux:xorg-x11-server-extra |
novell | suse_linux | xorg-x11-server-extra-debuginfo | p-cpe:/a:novell:suse_linux:xorg-x11-server-extra-debuginfo |
novell | suse_linux | xorg-x11-server-sdk | p-cpe:/a:novell:suse_linux:xorg-x11-server-sdk |
novell | suse_linux | 15 | cpe:/o:novell:suse_linux:15 |
7.2 High
CVSS2
Attack Vector
LOCAL
Attack 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
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
0.0004 Low
EPSS
Percentile
10.1%