CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:C/I:N/A:N
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:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
64.3%
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text is (C) Scientific Linux.
#
include('compat.inc');
if (description)
{
script_id(135803);
script_version("1.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/15");
script_cve_id("CVE-2018-4180", "CVE-2018-4181", "CVE-2018-4700");
script_name(english:"Scientific Linux Security Update : cups on SL7.x x86_64 (20200407)");
script_set_attribute(attribute:"synopsis", value:
"The remote Scientific Linux host is missing one or more security
updates.");
script_set_attribute(attribute:"description", value:
"* cups: Local privilege escalation to root due to insecure environment
variable handling * cups: Manipulation of cupsd.conf by a local
attacker resulting in limited reads of arbitrary files as root * cups:
Predictable session cookie breaks CSRF protection");
# https://listserv.fnal.gov/scripts/wa.exe?A2=ind2004&L=SCIENTIFIC-LINUX-ERRATA&P=3694
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?964dcd24");
script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/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: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-2018-4181");
script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2018-4180");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"vuln_publication_date", value:"2019/01/11");
script_set_attribute(attribute:"patch_publication_date", value:"2020/04/07");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/04/21");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:cups");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:cups-client");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:cups-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:cups-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:cups-filesystem");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:cups-ipptool");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:cups-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:cups-lpd");
script_set_attribute(attribute:"cpe", value:"x-cpe:/o:fermilab:scientific_linux");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Scientific Linux Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2020-2024 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/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:"cups-1.6.3-43.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"cups-client-1.6.3-43.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"cups-debuginfo-1.6.3-43.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"cups-devel-1.6.3-43.el7")) flag++;
if (rpm_check(release:"SL7", reference:"cups-filesystem-1.6.3-43.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"cups-filesystem-1.6.3-43.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"cups-ipptool-1.6.3-43.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"cups-libs-1.6.3-43.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"cups-lpd-1.6.3-43.el7")) flag++;
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
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, "cups / cups-client / cups-debuginfo / cups-devel / cups-filesystem / etc");
}
Vendor | Product | Version | CPE |
---|---|---|---|
fermilab | scientific_linux | cups-filesystem | p-cpe:/a:fermilab:scientific_linux:cups-filesystem |
fermilab | scientific_linux | cups-ipptool | p-cpe:/a:fermilab:scientific_linux:cups-ipptool |
fermilab | scientific_linux | cups-debuginfo | p-cpe:/a:fermilab:scientific_linux:cups-debuginfo |
fermilab | scientific_linux | x-cpe:/o:fermilab:scientific_linux | |
fermilab | scientific_linux | cups-client | p-cpe:/a:fermilab:scientific_linux:cups-client |
fermilab | scientific_linux | cups | p-cpe:/a:fermilab:scientific_linux:cups |
fermilab | scientific_linux | cups-libs | p-cpe:/a:fermilab:scientific_linux:cups-libs |
fermilab | scientific_linux | cups-lpd | p-cpe:/a:fermilab:scientific_linux:cups-lpd |
fermilab | scientific_linux | cups-devel | p-cpe:/a:fermilab:scientific_linux:cups-devel |
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:C/I:N/A:N
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:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
64.3%