CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
83.7%
Security Fix(es) :
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text is (C) Scientific Linux.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(103595);
script_version("3.8");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/14");
script_cve_id("CVE-2017-7805");
script_name(english:"Scientific Linux Security Update : nss on SL6.x, SL7.x i386/x86_64 (20170929)");
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) :
- A use-after-free flaw was found in the TLS 1.2
implementation in the NSS library when client
authentication was used. A malicious client could use
this flaw to cause an application compiled against NSS
to crash or, potentially, execute arbitrary code with
the permission of the user running the application.
(CVE-2017-7805)"
);
# https://listserv.fnal.gov/scripts/wa.exe?A2=ind1709&L=scientific-linux-errata&F=&S=&P=4248
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?f8821aa3"
);
script_set_attribute(attribute:"solution", value:"Update the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:nss");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:nss-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:nss-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:nss-pkcs11-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:nss-sysinit");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:nss-tools");
script_set_attribute(attribute:"cpe", value:"x-cpe:/o:fermilab:scientific_linux");
script_set_attribute(attribute:"vuln_publication_date", value:"2018/06/11");
script_set_attribute(attribute:"patch_publication_date", value:"2017/09/29");
script_set_attribute(attribute:"plugin_publication_date", value:"2017/10/02");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2017-2021 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:"SL6", reference:"nss-3.28.4-4.el6_9")) flag++;
if (rpm_check(release:"SL6", reference:"nss-debuginfo-3.28.4-4.el6_9")) flag++;
if (rpm_check(release:"SL6", reference:"nss-devel-3.28.4-4.el6_9")) flag++;
if (rpm_check(release:"SL6", reference:"nss-pkcs11-devel-3.28.4-4.el6_9")) flag++;
if (rpm_check(release:"SL6", reference:"nss-sysinit-3.28.4-4.el6_9")) flag++;
if (rpm_check(release:"SL6", reference:"nss-tools-3.28.4-4.el6_9")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"nss-3.28.4-12.el7_4")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"nss-debuginfo-3.28.4-12.el7_4")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"nss-devel-3.28.4-12.el7_4")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"nss-pkcs11-devel-3.28.4-12.el7_4")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"nss-sysinit-3.28.4-12.el7_4")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"nss-tools-3.28.4-12.el7_4")) 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, "nss / nss-debuginfo / nss-devel / nss-pkcs11-devel / nss-sysinit / etc");
}
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
83.7%