4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
6.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
0.008 Low
EPSS
Percentile
81.7%
This update for rubygem-rack to version 2.0.8 fixes the following issues :
CVE-2018-16471: Fixed a cross-site scripting (XSS) flaw via the scheme method on Rack::Request (bsc#1116600).
CVE-2019-16782: Fixed a possible information leak and session hijack vulnerability (bsc#1159548).
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-2020:0359-1.
# The text itself is copyright (C) SUSE.
#
include('compat.inc');
if (description)
{
script_id(133597);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2022/05/18");
script_cve_id("CVE-2018-16471", "CVE-2019-16782");
script_name(english:"SUSE SLED15 / SLES15 Security Update : rubygem-rack (SUSE-SU-2020:0359-1)");
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 rubygem-rack to version 2.0.8 fixes the following
issues :
CVE-2018-16471: Fixed a cross-site scripting (XSS) flaw via the scheme
method on Rack::Request (bsc#1116600).
CVE-2019-16782: Fixed a possible information leak and session hijack
vulnerability (bsc#1159548).
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=1114828");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1116600");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1159548");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-16471/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2019-16782/");
# https://www.suse.com/support/update/announcement/2020/suse-su-20200359-1/
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?d86a0e18");
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 Open Buildservice Development Tools
15-SP1 :
zypper in -t patch
SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2020-359=1
SUSE Linux Enterprise High Availability 15-SP1 :
zypper in -t patch SUSE-SLE-Product-HA-15-SP1-2020-359=1
SUSE Linux Enterprise High Availability 15 :
zypper in -t patch SUSE-SLE-Product-HA-15-2020-359=1");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-16782");
script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2018-16471");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"vuln_publication_date", value:"2018/11/13");
script_set_attribute(attribute:"patch_publication_date", value:"2020/02/07");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/02/10");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ruby2.5-rubygem-rack-doc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ruby2.5-rubygem-rack-testsuite");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:15");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"SuSE Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2020-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");
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:"ruby2.5-rubygem-rack-doc-2.0.8-3.3.1")) flag++;
if (rpm_check(release:"SLES15", sp:"1", reference:"ruby2.5-rubygem-rack-testsuite-2.0.8-3.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"1", reference:"ruby2.5-rubygem-rack-doc-2.0.8-3.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"1", reference:"ruby2.5-rubygem-rack-testsuite-2.0.8-3.3.1")) flag++;
if (flag)
{
set_kb_item(name:'www/0/XSS', value:TRUE);
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, "rubygem-rack");
}
Vendor | Product | Version | CPE |
---|---|---|---|
novell | suse_linux | ruby2.5-rubygem-rack-doc | p-cpe:/a:novell:suse_linux:ruby2.5-rubygem-rack-doc |
novell | suse_linux | ruby2.5-rubygem-rack-testsuite | p-cpe:/a:novell:suse_linux:ruby2.5-rubygem-rack-testsuite |
novell | suse_linux | 15 | cpe:/o:novell:suse_linux:15 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16471
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16782
www.nessus.org/u?d86a0e18
bugzilla.suse.com/show_bug.cgi?id=1114828
bugzilla.suse.com/show_bug.cgi?id=1116600
bugzilla.suse.com/show_bug.cgi?id=1159548
www.suse.com/security/cve/CVE-2018-16471/
www.suse.com/security/cve/CVE-2019-16782/
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
6.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
0.008 Low
EPSS
Percentile
81.7%