SimpleXMLRPCServer.py in SimpleXMLRPCServer in Python before 2.6.8, 2.7.x before 2.7.3, 3.x before 3.1.5, and 3.2.x before 3.2.3 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via an XML-RPC POST request that contains a smaller amount of data than specified by the Content-Length header.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Amazon Linux AMI Security Advisory ALAS-2012-81.
#
include("compat.inc");
if (description)
{
script_id(69688);
script_version("1.5");
script_cvs_date("Date: 2018/04/18 15:09:34");
script_cve_id("CVE-2012-0845");
script_xref(name:"ALAS", value:"2012-81");
script_name(english:"Amazon Linux AMI : python27 (ALAS-2012-81)");
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:
"SimpleXMLRPCServer.py in SimpleXMLRPCServer in Python before 2.6.8,
2.7.x before 2.7.3, 3.x before 3.1.5, and 3.2.x before 3.2.3 allows
remote attackers to cause a denial of service (infinite loop and CPU
consumption) via an XML-RPC POST request that contains a smaller
amount of data than specified by the Content-Length header."
);
script_set_attribute(
attribute:"see_also",
value:"https://alas.aws.amazon.com/ALAS-2012-81.html"
);
script_set_attribute(
attribute:"solution",
value:"Run 'yum update python27' to update your system."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:python27");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:python27-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:python27-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:python27-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:python27-test");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:python27-tools");
script_set_attribute(attribute:"cpe", value:"cpe:/o:amazon:linux");
script_set_attribute(attribute:"patch_publication_date", value:"2012/05/21");
script_set_attribute(attribute:"plugin_publication_date", value:"2013/09/04");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2013-2018 Tenable Network Security, Inc.");
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:"python27-2.7.3-1.18.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"python27-debuginfo-2.7.3-1.18.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"python27-devel-2.7.3-1.18.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"python27-libs-2.7.3-1.18.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"python27-test-2.7.3-1.18.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"python27-tools-2.7.3-1.18.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, "python27 / python27-debuginfo / python27-devel / python27-libs / etc");
}
Vendor | Product | Version | CPE |
---|---|---|---|
amazon | linux | python27 | p-cpe:/a:amazon:linux:python27 |
amazon | linux | python27-debuginfo | p-cpe:/a:amazon:linux:python27-debuginfo |
amazon | linux | python27-devel | p-cpe:/a:amazon:linux:python27-devel |
amazon | linux | python27-libs | p-cpe:/a:amazon:linux:python27-libs |
amazon | linux | python27-test | p-cpe:/a:amazon:linux:python27-test |
amazon | linux | python27-tools | p-cpe:/a:amazon:linux:python27-tools |
amazon | linux | cpe:/o:amazon:linux |