Security Fix(es) :
ruby: HTTP response splitting in WEBrick (CVE-2017-17742)
ruby: DoS by large request in WEBrick (CVE-2018-8777)
ruby: Buffer under-read in String#unpack (CVE-2018-8778)
ruby: Unintentional directory traversal by poisoned NULL byte in Dir (CVE-2018-8780)
ruby: Tainted flags are not propagated in Array#pack and String#unpack with some directives (CVE-2018-16396)
rubygems: Path traversal when writing to a symlinked basedir outside of the root (CVE-2018-1000073)
rubygems: Unsafe Object Deserialization Vulnerability in gem owner allowing arbitrary code execution on specially crafted YAML (CVE-2018-1000074)
rubygems: Improper verification of signatures in tarball allows to install mis-signed gem (CVE-2018-1000076)
rubygems: Missing URL validation on spec home attribute allows malicious gem to set an invalid homepage URL (CVE-2018-1000077)
rubygems: XSS vulnerability in homepage attribute when displayed via gem server (CVE-2018-1000078)
rubygems: Path traversal issue during gem installation allows to write to arbitrary filesystem locations (CVE-2018-1000079)
ruby: Unintentional file and directory creation with directory traversal in tempfile and tmpdir (CVE-2018-6914)
ruby: Unintentional socket creation by poisoned NULL byte in UNIXServer and UNIXSocket (CVE-2018-8779)
rubygems: Infinite loop vulnerability due to negative size in tar header causes Denial of Service (CVE-2018-1000075)
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text is (C) Scientific Linux.
#
include("compat.inc");
if (description)
{
script_id(128260);
script_version("1.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2022/05/23");
script_cve_id("CVE-2017-17742", "CVE-2018-1000073", "CVE-2018-1000074", "CVE-2018-1000075", "CVE-2018-1000076", "CVE-2018-1000077", "CVE-2018-1000078", "CVE-2018-1000079", "CVE-2018-16396", "CVE-2018-6914", "CVE-2018-8777", "CVE-2018-8778", "CVE-2018-8779", "CVE-2018-8780");
script_name(english:"Scientific Linux Security Update : ruby on SL7.x x86_64 (20190806)");
script_summary(english:"Checks rpm output for the updated packages");
script_set_attribute(
attribute:"synopsis",
value:
"The remote Scientific Linux host is missing one or more security
updates."
);
script_set_attribute(
attribute:"description",
value:
"Security Fix(es) :
- ruby: HTTP response splitting in WEBrick
(CVE-2017-17742)
- ruby: DoS by large request in WEBrick (CVE-2018-8777)
- ruby: Buffer under-read in String#unpack (CVE-2018-8778)
- ruby: Unintentional directory traversal by poisoned NULL
byte in Dir (CVE-2018-8780)
- ruby: Tainted flags are not propagated in Array#pack and
String#unpack with some directives (CVE-2018-16396)
- rubygems: Path traversal when writing to a symlinked
basedir outside of the root (CVE-2018-1000073)
- rubygems: Unsafe Object Deserialization Vulnerability in
gem owner allowing arbitrary code execution on specially
crafted YAML (CVE-2018-1000074)
- rubygems: Improper verification of signatures in tarball
allows to install mis-signed gem (CVE-2018-1000076)
- rubygems: Missing URL validation on spec home attribute
allows malicious gem to set an invalid homepage URL
(CVE-2018-1000077)
- rubygems: XSS vulnerability in homepage attribute when
displayed via gem server (CVE-2018-1000078)
- rubygems: Path traversal issue during gem installation
allows to write to arbitrary filesystem locations
(CVE-2018-1000079)
- ruby: Unintentional file and directory creation with
directory traversal in tempfile and tmpdir
(CVE-2018-6914)
- ruby: Unintentional socket creation by poisoned NULL
byte in UNIXServer and UNIXSocket (CVE-2018-8779)
- rubygems: Infinite loop vulnerability due to negative
size in tar header causes Denial of Service
(CVE-2018-1000075)"
);
# https://listserv.fnal.gov/scripts/wa.exe?A2=ind1908&L=SCIENTIFIC-LINUX-ERRATA&P=18537
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?64ba4fae"
);
script_set_attribute(attribute:"solution", value:"Update the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/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:L/PR:N/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-2018-8780");
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:fermilab:scientific_linux:ruby");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:ruby-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:ruby-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:ruby-doc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:ruby-irb");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:ruby-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:ruby-tcltk");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:rubygem-bigdecimal");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:rubygem-io-console");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:rubygem-json");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:rubygem-minitest");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:rubygem-psych");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:rubygem-rake");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:rubygem-rdoc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:rubygems");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:rubygems-devel");
script_set_attribute(attribute:"cpe", value:"x-cpe:/o:fermilab:scientific_linux");
script_set_attribute(attribute:"vuln_publication_date", value:"2018/03/13");
script_set_attribute(attribute:"patch_publication_date", value:"2019/08/06");
script_set_attribute(attribute:"plugin_publication_date", value:"2019/08/27");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2019-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"Scientific Linux Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/RedHat/release", "Host/RedHat/rpm-list");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("rpm.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || "Scientific Linux " >!< release) audit(AUDIT_HOST_NOT, "running Scientific Linux");
os_ver = pregmatch(pattern: "Scientific Linux.*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Scientific Linux");
os_ver = os_ver[1];
if (! preg(pattern:"^7([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Scientific Linux 7.x", "Scientific Linux " + os_ver);
if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu >!< "x86_64" && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Scientific Linux", cpu);
flag = 0;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"ruby-2.0.0.648-36.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"ruby-debuginfo-2.0.0.648-36.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"ruby-devel-2.0.0.648-36.el7")) flag++;
if (rpm_check(release:"SL7", reference:"ruby-doc-2.0.0.648-36.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"ruby-doc-2.0.0.648-36.el7")) flag++;
if (rpm_check(release:"SL7", reference:"ruby-irb-2.0.0.648-36.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"ruby-irb-2.0.0.648-36.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"ruby-libs-2.0.0.648-36.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"ruby-tcltk-2.0.0.648-36.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"rubygem-bigdecimal-1.2.0-36.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"rubygem-io-console-0.4.2-36.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"rubygem-json-1.7.7-36.el7")) flag++;
if (rpm_check(release:"SL7", reference:"rubygem-minitest-4.3.2-36.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"rubygem-minitest-4.3.2-36.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"rubygem-psych-2.0.0-36.el7")) flag++;
if (rpm_check(release:"SL7", reference:"rubygem-rake-0.9.6-36.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"rubygem-rake-0.9.6-36.el7")) flag++;
if (rpm_check(release:"SL7", reference:"rubygem-rdoc-4.0.0-36.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"rubygem-rdoc-4.0.0-36.el7")) flag++;
if (rpm_check(release:"SL7", reference:"rubygems-2.0.14.1-36.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"rubygems-2.0.14.1-36.el7")) flag++;
if (rpm_check(release:"SL7", reference:"rubygems-devel-2.0.14.1-36.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"rubygems-devel-2.0.14.1-36.el7")) flag++;
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_HOLE,
extra : rpm_report_get()
);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "ruby / ruby-debuginfo / ruby-devel / ruby-doc / ruby-irb / etc");
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17742
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000073
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000074
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000075
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000076
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000077
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000078
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000079
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16396
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6914
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8777
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8778
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8779
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8780
www.nessus.org/u?64ba4fae