CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:H/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
81.7%
This update for libxslt fixes the following issues :
Security issues fixed :
CVE-2019-13118: Fixed a read of uninitialized stack data (bsc#1140101).
CVE-2019-13117: Fixed a uninitialized read which allowed to discern whether a byte on the stack contains certain special characters (bsc#1140095).
CVE-2019-18197: Fixed a dangling pointer in xsltCopyText which may have led to information disclosure (bsc#1154609).
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.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2020:1409-1.
# The text itself is copyright (C) SUSE.
#
include("compat.inc");
if (description)
{
script_id(137539);
script_version("1.2");
script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/22");
script_cve_id("CVE-2019-13117", "CVE-2019-13118", "CVE-2019-18197");
script_name(english:"SUSE SLED15 / SLES15 Security Update : libxslt (SUSE-SU-2020:1409-1)");
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 libxslt fixes the following issues :
Security issues fixed :
CVE-2019-13118: Fixed a read of uninitialized stack data
(bsc#1140101).
CVE-2019-13117: Fixed a uninitialized read which allowed to discern
whether a byte on the stack contains certain special characters
(bsc#1140095).
CVE-2019-18197: Fixed a dangling pointer in xsltCopyText which may
have led to information disclosure (bsc#1154609).
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=1140095"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1140101"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1154609"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2019-13117/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2019-13118/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2019-18197/"
);
# https://www.suse.com/support/update/announcement/2020/suse-su-20201409-1/
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?6fe2dfb9"
);
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 Module for Basesystem 15-SP1 :
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2020-1409=1"
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:N/UI:R/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-2019-18197");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libxslt-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libxslt-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libxslt-tools");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libxslt-tools-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libxslt1");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libxslt1-debuginfo");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:15");
script_set_attribute(attribute:"vuln_publication_date", value:"2019/07/01");
script_set_attribute(attribute:"patch_publication_date", value:"2020/05/25");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/06/17");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2020 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:"^(1)$", string:sp))) audit(AUDIT_OS_NOT, "SLES15 SP1", os_ver + " SP" + sp);
if (os_ver == "SLED15" && (! preg(pattern:"^(1)$", string:sp))) audit(AUDIT_OS_NOT, "SLED15 SP1", os_ver + " SP" + sp);
flag = 0;
if (rpm_check(release:"SLES15", sp:"1", reference:"libxslt-debugsource-1.1.32-3.8.24")) flag++;
if (rpm_check(release:"SLES15", sp:"1", reference:"libxslt-devel-1.1.32-3.8.24")) flag++;
if (rpm_check(release:"SLES15", sp:"1", reference:"libxslt-tools-1.1.32-3.8.24")) flag++;
if (rpm_check(release:"SLES15", sp:"1", reference:"libxslt-tools-debuginfo-1.1.32-3.8.24")) flag++;
if (rpm_check(release:"SLES15", sp:"1", reference:"libxslt1-1.1.32-3.8.24")) flag++;
if (rpm_check(release:"SLES15", sp:"1", reference:"libxslt1-debuginfo-1.1.32-3.8.24")) flag++;
if (rpm_check(release:"SLED15", sp:"1", reference:"libxslt-debugsource-1.1.32-3.8.24")) flag++;
if (rpm_check(release:"SLED15", sp:"1", reference:"libxslt-devel-1.1.32-3.8.24")) flag++;
if (rpm_check(release:"SLED15", sp:"1", reference:"libxslt-tools-1.1.32-3.8.24")) flag++;
if (rpm_check(release:"SLED15", sp:"1", reference:"libxslt-tools-debuginfo-1.1.32-3.8.24")) flag++;
if (rpm_check(release:"SLED15", sp:"1", reference:"libxslt1-1.1.32-3.8.24")) flag++;
if (rpm_check(release:"SLED15", sp:"1", reference:"libxslt1-debuginfo-1.1.32-3.8.24")) flag++;
if (flag)
{
if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
else security_warning(0);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "libxslt");
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13117
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13118
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18197
www.nessus.org/u?6fe2dfb9
bugzilla.suse.com/show_bug.cgi?id=1140095
bugzilla.suse.com/show_bug.cgi?id=1140101
bugzilla.suse.com/show_bug.cgi?id=1154609
www.suse.com/security/cve/CVE-2019-13117/
www.suse.com/security/cve/CVE-2019-13118/
www.suse.com/security/cve/CVE-2019-18197/
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:H/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
81.7%