It was discovered that the snmp_pdu_parse() function could leave incompletely parsed varBind variables in the list of variables. A remote, unauthenticated attacker could use this flaw to crash snmpd or, potentially, execute arbitrary code on the system with the privileges of the user running snmpd. (CVE-2015-5621)
#%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(85500);
script_version("2.5");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/14");
script_cve_id("CVE-2015-5621");
script_name(english:"Scientific Linux Security Update : net-snmp on SL6.x, SL7.x i386/x86_64 (20150817)");
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:
"It was discovered that the snmp_pdu_parse() function could leave
incompletely parsed varBind variables in the list of variables. A
remote, unauthenticated attacker could use this flaw to crash snmpd
or, potentially, execute arbitrary code on the system with the
privileges of the user running snmpd. (CVE-2015-5621)"
);
# https://listserv.fnal.gov/scripts/wa.exe?A2=ind1508&L=scientific-linux-errata&F=&S=&P=17292
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?3bda5e34"
);
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_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:net-snmp");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:net-snmp-agent-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:net-snmp-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:net-snmp-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:net-snmp-gui");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:net-snmp-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:net-snmp-perl");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:net-snmp-python");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:net-snmp-sysvinit");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:net-snmp-utils");
script_set_attribute(attribute:"cpe", value:"x-cpe:/o:fermilab:scientific_linux");
script_set_attribute(attribute:"vuln_publication_date", value:"2015/08/19");
script_set_attribute(attribute:"patch_publication_date", value:"2015/08/17");
script_set_attribute(attribute:"plugin_publication_date", value:"2015/08/18");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2015-2021 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:"net-snmp-5.5-54.el6_7.1")) flag++;
if (rpm_check(release:"SL6", reference:"net-snmp-debuginfo-5.5-54.el6_7.1")) flag++;
if (rpm_check(release:"SL6", reference:"net-snmp-devel-5.5-54.el6_7.1")) flag++;
if (rpm_check(release:"SL6", reference:"net-snmp-libs-5.5-54.el6_7.1")) flag++;
if (rpm_check(release:"SL6", reference:"net-snmp-perl-5.5-54.el6_7.1")) flag++;
if (rpm_check(release:"SL6", reference:"net-snmp-python-5.5-54.el6_7.1")) flag++;
if (rpm_check(release:"SL6", reference:"net-snmp-utils-5.5-54.el6_7.1")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"net-snmp-5.7.2-20.el7_1.1")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"net-snmp-agent-libs-5.7.2-20.el7_1.1")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"net-snmp-debuginfo-5.7.2-20.el7_1.1")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"net-snmp-devel-5.7.2-20.el7_1.1")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"net-snmp-gui-5.7.2-20.el7_1.1")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"net-snmp-libs-5.7.2-20.el7_1.1")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"net-snmp-perl-5.7.2-20.el7_1.1")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"net-snmp-python-5.7.2-20.el7_1.1")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"net-snmp-sysvinit-5.7.2-20.el7_1.1")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"net-snmp-utils-5.7.2-20.el7_1.1")) 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, "net-snmp / net-snmp-agent-libs / net-snmp-debuginfo / etc");
}
Vendor | Product | Version | CPE |
---|---|---|---|
fermilab | scientific_linux | net-snmp | p-cpe:/a:fermilab:scientific_linux:net-snmp |
fermilab | scientific_linux | net-snmp-agent-libs | p-cpe:/a:fermilab:scientific_linux:net-snmp-agent-libs |
fermilab | scientific_linux | net-snmp-debuginfo | p-cpe:/a:fermilab:scientific_linux:net-snmp-debuginfo |
fermilab | scientific_linux | net-snmp-devel | p-cpe:/a:fermilab:scientific_linux:net-snmp-devel |
fermilab | scientific_linux | net-snmp-gui | p-cpe:/a:fermilab:scientific_linux:net-snmp-gui |
fermilab | scientific_linux | net-snmp-libs | p-cpe:/a:fermilab:scientific_linux:net-snmp-libs |
fermilab | scientific_linux | net-snmp-perl | p-cpe:/a:fermilab:scientific_linux:net-snmp-perl |
fermilab | scientific_linux | net-snmp-python | p-cpe:/a:fermilab:scientific_linux:net-snmp-python |
fermilab | scientific_linux | net-snmp-sysvinit | p-cpe:/a:fermilab:scientific_linux:net-snmp-sysvinit |
fermilab | scientific_linux | net-snmp-utils | p-cpe:/a:fermilab:scientific_linux:net-snmp-utils |