Multiple stack-based buffer overflows in net/netfilter/ipvs/ip_vs_ctl.c in the Linux kernel before 2.6.33, when CONFIG_IP_VS is used, allow local users to gain privileges by leveraging the CAP_NET_ADMIN capability for (1) a getsockopt system call, related to the do_ip_vs_get_ctl function, or (2) a setsockopt system call, related to the do_ip_vs_set_ctl function.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Amazon Linux AMI Security Advisory ALAS-2014-355.
#
include("compat.inc");
if (description)
{
script_id(78298);
script_version("1.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2020/08/06");
script_cve_id("CVE-2013-4588");
script_xref(name:"ALAS", value:"2014-355");
script_name(english:"Amazon Linux AMI : glibc (ALAS-2014-355)");
script_summary(english:"Checks rpm output for the updated packages");
script_set_attribute(
attribute:"synopsis",
value:"The remote Amazon Linux AMI host is missing a security update."
);
script_set_attribute(
attribute:"description",
value:
"Multiple stack-based buffer overflows in
net/netfilter/ipvs/ip_vs_ctl.c in the Linux kernel before 2.6.33, when
CONFIG_IP_VS is used, allow local users to gain privileges by
leveraging the CAP_NET_ADMIN capability for (1) a getsockopt system
call, related to the do_ip_vs_get_ctl function, or (2) a setsockopt
system call, related to the do_ip_vs_set_ctl function."
);
script_set_attribute(
attribute:"see_also",
value:"https://alas.aws.amazon.com/ALAS-2014-355.html"
);
script_set_attribute(
attribute:"solution",
value:"Run 'yum update glibc' to update your system."
);
script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:glibc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:glibc-common");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:glibc-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:glibc-debuginfo-common");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:glibc-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:glibc-headers");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:glibc-static");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:glibc-utils");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:nscd");
script_set_attribute(attribute:"cpe", value:"cpe:/o:amazon:linux");
script_set_attribute(attribute:"vuln_publication_date", value:"2013/11/20");
script_set_attribute(attribute:"patch_publication_date", value:"2014/09/19");
script_set_attribute(attribute:"plugin_publication_date", value:"2014/10/12");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2014-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"Amazon Linux Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/AmazonLinux/release", "Host/AmazonLinux/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/AmazonLinux/release");
if (isnull(release) || !strlen(release)) audit(AUDIT_OS_NOT, "Amazon Linux");
os_ver = pregmatch(pattern: "^AL(A|\d)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Amazon Linux");
os_ver = os_ver[1];
if (os_ver != "A")
{
if (os_ver == 'A') os_ver = 'AMI';
audit(AUDIT_OS_NOT, "Amazon Linux AMI", "Amazon Linux " + os_ver);
}
if (!get_kb_item("Host/AmazonLinux/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
flag = 0;
if (rpm_check(release:"ALA", reference:"glibc-2.17-55.84.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"glibc-common-2.17-55.84.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"glibc-debuginfo-2.17-55.84.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"glibc-debuginfo-common-2.17-55.84.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"glibc-devel-2.17-55.84.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"glibc-headers-2.17-55.84.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"glibc-static-2.17-55.84.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"glibc-utils-2.17-55.84.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"nscd-2.17-55.84.amzn1")) flag++;
if (flag)
{
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, "glibc / glibc-common / glibc-debuginfo / glibc-debuginfo-common / etc");
}
Vendor | Product | Version | CPE |
---|---|---|---|
amazon | linux | glibc | p-cpe:/a:amazon:linux:glibc |
amazon | linux | glibc-common | p-cpe:/a:amazon:linux:glibc-common |
amazon | linux | glibc-debuginfo | p-cpe:/a:amazon:linux:glibc-debuginfo |
amazon | linux | glibc-debuginfo-common | p-cpe:/a:amazon:linux:glibc-debuginfo-common |
amazon | linux | glibc-devel | p-cpe:/a:amazon:linux:glibc-devel |
amazon | linux | glibc-headers | p-cpe:/a:amazon:linux:glibc-headers |
amazon | linux | glibc-static | p-cpe:/a:amazon:linux:glibc-static |
amazon | linux | glibc-utils | p-cpe:/a:amazon:linux:glibc-utils |
amazon | linux | nscd | p-cpe:/a:amazon:linux:nscd |
amazon | linux | cpe:/o:amazon:linux |