CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
80.3%
This update for libcroco fixes the following issues :
Security issues fixed :
CVE-2017-7960: Fixed heap overflow (input: check end of input before reading a byte) (bsc#1034481).
CVE-2017-7961: Fixed undefined behavior (tknzr: support only max long rgb values) (bsc#1034482).
CVE-2017-8834: Fixed denial of service (memory allocation error) via a crafted CSS file (bsc#1043898).
CVE-2017-8871: Fixed denial of service (infinite loop and CPU consumption) via a crafted CSS file (bsc#1043899).
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-2019:1468-1.
# The text itself is copyright (C) SUSE.
#
include("compat.inc");
if (description)
{
script_id(125873);
script_version("1.5");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/13");
script_cve_id("CVE-2017-7960", "CVE-2017-7961", "CVE-2017-8834", "CVE-2017-8871");
script_name(english:"SUSE SLED12 / SLES12 Security Update : libcroco (SUSE-SU-2019:1468-1)");
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 libcroco fixes the following issues :
Security issues fixed :
CVE-2017-7960: Fixed heap overflow (input: check end of input before
reading a byte) (bsc#1034481).
CVE-2017-7961: Fixed undefined behavior (tknzr: support only max long
rgb values) (bsc#1034482).
CVE-2017-8834: Fixed denial of service (memory allocation error) via a
crafted CSS file (bsc#1043898).
CVE-2017-8871: Fixed denial of service (infinite loop and CPU
consumption) via a crafted CSS file (bsc#1043899).
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=1034481"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1034482"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1043898"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1043899"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2017-7960/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2017-7961/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2017-8834/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2017-8871/"
);
# https://www.suse.com/support/update/announcement/2019/suse-su-20191468-1/
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?2aba300d"
);
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 Software Development Kit 12-SP4:zypper in -t
patch SUSE-SLE-SDK-12-SP4-2019-1468=1
SUSE Linux Enterprise Software Development Kit 12-SP3:zypper in -t
patch SUSE-SLE-SDK-12-SP3-2019-1468=1
SUSE Linux Enterprise Server 12-SP4:zypper in -t patch
SUSE-SLE-SERVER-12-SP4-2019-1468=1
SUSE Linux Enterprise Server 12-SP3:zypper in -t patch
SUSE-SLE-SERVER-12-SP3-2019-1468=1
SUSE Linux Enterprise Desktop 12-SP4:zypper in -t patch
SUSE-SLE-DESKTOP-12-SP4-2019-1468=1
SUSE Linux Enterprise Desktop 12-SP3:zypper in -t patch
SUSE-SLE-DESKTOP-12-SP3-2019-1468=1
SUSE CaaS Platform ALL :
To install this update, use the SUSE CaaS Platform Velum dashboard. It
will inform you if it detects new updates and let you then trigger
updating of the complete cluster in a controlled way.
SUSE CaaS Platform 3.0 :
To install this update, use the SUSE CaaS Platform Velum dashboard. It
will inform you if it detects new updates and let you then trigger
updating of the complete cluster in a controlled way.
OpenStack Cloud Magnum Orchestration 7:zypper in -t patch
SUSE-OpenStack-Cloud-Magnum-Orchestration-7-2019-1468=1"
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2017-7961");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libcroco-0_6");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libcroco-0_6-3");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libcroco-0_6-3-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libcroco-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libcroco-debugsource");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");
script_set_attribute(attribute:"vuln_publication_date", value:"2017/04/19");
script_set_attribute(attribute:"patch_publication_date", value:"2019/06/12");
script_set_attribute(attribute:"plugin_publication_date", value:"2019/06/13");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2019-2021 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:"^(SLED12|SLES12)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLED12 / SLES12", "SUSE " + os_ver);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "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 == "SLES12" && (! preg(pattern:"^(3|4)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP3/4", os_ver + " SP" + sp);
if (os_ver == "SLED12" && (! preg(pattern:"^(3|4)$", string:sp))) audit(AUDIT_OS_NOT, "SLED12 SP3/4", os_ver + " SP" + sp);
flag = 0;
if (rpm_check(release:"SLES12", sp:"4", reference:"libcroco-0_6-3-0.6.11-12.3.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"libcroco-0_6-3-32bit-0.6.11-12.3.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"libcroco-0_6-3-debuginfo-0.6.11-12.3.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"libcroco-0_6-3-debuginfo-32bit-0.6.11-12.3.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"libcroco-debuginfo-0.6.11-12.3.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"libcroco-debugsource-0.6.11-12.3.1")) flag++;
if (rpm_check(release:"SLES12", sp:"3", reference:"libcroco-0_6-3-0.6.11-12.3.1")) flag++;
if (rpm_check(release:"SLES12", sp:"3", reference:"libcroco-0_6-3-32bit-0.6.11-12.3.1")) flag++;
if (rpm_check(release:"SLES12", sp:"3", reference:"libcroco-0_6-3-debuginfo-0.6.11-12.3.1")) flag++;
if (rpm_check(release:"SLES12", sp:"3", reference:"libcroco-0_6-3-debuginfo-32bit-0.6.11-12.3.1")) flag++;
if (rpm_check(release:"SLES12", sp:"3", reference:"libcroco-debuginfo-0.6.11-12.3.1")) flag++;
if (rpm_check(release:"SLES12", sp:"3", reference:"libcroco-debugsource-0.6.11-12.3.1")) flag++;
if (rpm_check(release:"SLED12", sp:"4", cpu:"x86_64", reference:"libcroco-0_6-3-0.6.11-12.3.1")) flag++;
if (rpm_check(release:"SLED12", sp:"4", cpu:"x86_64", reference:"libcroco-0_6-3-32bit-0.6.11-12.3.1")) flag++;
if (rpm_check(release:"SLED12", sp:"4", cpu:"x86_64", reference:"libcroco-0_6-3-debuginfo-0.6.11-12.3.1")) flag++;
if (rpm_check(release:"SLED12", sp:"4", cpu:"x86_64", reference:"libcroco-0_6-3-debuginfo-32bit-0.6.11-12.3.1")) flag++;
if (rpm_check(release:"SLED12", sp:"4", cpu:"x86_64", reference:"libcroco-debuginfo-0.6.11-12.3.1")) flag++;
if (rpm_check(release:"SLED12", sp:"4", cpu:"x86_64", reference:"libcroco-debugsource-0.6.11-12.3.1")) flag++;
if (rpm_check(release:"SLED12", sp:"3", cpu:"x86_64", reference:"libcroco-0_6-3-0.6.11-12.3.1")) flag++;
if (rpm_check(release:"SLED12", sp:"3", cpu:"x86_64", reference:"libcroco-0_6-3-32bit-0.6.11-12.3.1")) flag++;
if (rpm_check(release:"SLED12", sp:"3", cpu:"x86_64", reference:"libcroco-0_6-3-debuginfo-0.6.11-12.3.1")) flag++;
if (rpm_check(release:"SLED12", sp:"3", cpu:"x86_64", reference:"libcroco-0_6-3-debuginfo-32bit-0.6.11-12.3.1")) flag++;
if (rpm_check(release:"SLED12", sp:"3", cpu:"x86_64", reference:"libcroco-debuginfo-0.6.11-12.3.1")) flag++;
if (rpm_check(release:"SLED12", sp:"3", cpu:"x86_64", reference:"libcroco-debugsource-0.6.11-12.3.1")) 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, "libcroco");
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7960
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7961
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8834
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8871
www.nessus.org/u?2aba300d
bugzilla.suse.com/show_bug.cgi?id=1034481
bugzilla.suse.com/show_bug.cgi?id=1034482
bugzilla.suse.com/show_bug.cgi?id=1043898
bugzilla.suse.com/show_bug.cgi?id=1043899
www.suse.com/security/cve/CVE-2017-7960/
www.suse.com/security/cve/CVE-2017-7961/
www.suse.com/security/cve/CVE-2017-8834/
www.suse.com/security/cve/CVE-2017-8871/
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
80.3%