7.8 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
0.963 High
EPSS
Percentile
99.6%
A flaw was discovered in the byterange filter in Apache. A remote attacker could exploit this to cause a denial of service via resource exhaustion.
Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-1199-1. The text
# itself is copyright (C) Canonical, Inc. See
# <http://www.ubuntu.com/usn/>. Ubuntu(R) is a registered
# trademark of Canonical, Inc.
#
include("compat.inc");
if (description)
{
script_id(56048);
script_version("1.20");
script_cvs_date("Date: 2019/09/19 12:54:27");
script_cve_id("CVE-2011-3192");
script_bugtraq_id(49303);
script_xref(name:"USN", value:"1199-1");
script_name(english:"Ubuntu 8.04 LTS / 10.04 LTS / 10.10 / 11.04 : apache2 vulnerability (USN-1199-1)");
script_summary(english:"Checks dpkg output for updated packages.");
script_set_attribute(
attribute:"synopsis",
value:
"The remote Ubuntu host is missing one or more security-related
patches."
);
script_set_attribute(
attribute:"description",
value:
"A flaw was discovered in the byterange filter in Apache. A remote
attacker could exploit this to cause a denial of service via resource
exhaustion.
Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
);
script_set_attribute(
attribute:"see_also",
value:"https://usn.ubuntu.com/1199-1/"
);
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:C");
script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"exploit_framework_core", value:"true");
script_set_attribute(attribute:"exploited_by_malware", value:"true");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:apache2-mpm-event");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:apache2-mpm-perchild");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:apache2-mpm-prefork");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:apache2-mpm-worker");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:apache2.2-bin");
script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:10.04:-:lts");
script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:10.10");
script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:11.04");
script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:8.04:-:lts");
script_set_attribute(attribute:"vuln_publication_date", value:"2011/08/29");
script_set_attribute(attribute:"patch_publication_date", value:"2011/09/01");
script_set_attribute(attribute:"plugin_publication_date", value:"2011/09/02");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"Ubuntu Security Notice (C) 2011-2019 Canonical, Inc. / NASL script (C) 2011-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"Ubuntu Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/cpu", "Host/Ubuntu", "Host/Ubuntu/release", "Host/Debian/dpkg-l");
exit(0);
}
include("audit.inc");
include("ubuntu.inc");
include("misc_func.inc");
if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/Ubuntu/release");
if ( isnull(release) ) audit(AUDIT_OS_NOT, "Ubuntu");
release = chomp(release);
if (! preg(pattern:"^(8\.04|10\.04|10\.10|11\.04)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 8.04 / 10.04 / 10.10 / 11.04", "Ubuntu " + release);
if ( ! get_kb_item("Host/Debian/dpkg-l") ) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Ubuntu", cpu);
flag = 0;
if (ubuntu_check(osver:"8.04", pkgname:"apache2-mpm-event", pkgver:"2.2.8-1ubuntu0.21")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"apache2-mpm-perchild", pkgver:"2.2.8-1ubuntu0.21")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"apache2-mpm-prefork", pkgver:"2.2.8-1ubuntu0.21")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"apache2-mpm-worker", pkgver:"2.2.8-1ubuntu0.21")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"apache2.2-bin", pkgver:"2.2.14-5ubuntu8.6")) flag++;
if (ubuntu_check(osver:"10.10", pkgname:"apache2.2-bin", pkgver:"2.2.16-1ubuntu3.3")) flag++;
if (ubuntu_check(osver:"11.04", pkgname:"apache2.2-bin", pkgver:"2.2.17-1ubuntu1.2")) flag++;
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_HOLE,
extra : ubuntu_report_get()
);
exit(0);
}
else
{
tested = ubuntu_pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "apache2-mpm-event / apache2-mpm-perchild / apache2-mpm-prefork / etc");
}
Vendor | Product | Version | CPE |
---|---|---|---|
canonical | ubuntu_linux | apache2-mpm-event | p-cpe:/a:canonical:ubuntu_linux:apache2-mpm-event |
canonical | ubuntu_linux | apache2-mpm-perchild | p-cpe:/a:canonical:ubuntu_linux:apache2-mpm-perchild |
canonical | ubuntu_linux | apache2-mpm-prefork | p-cpe:/a:canonical:ubuntu_linux:apache2-mpm-prefork |
canonical | ubuntu_linux | apache2-mpm-worker | p-cpe:/a:canonical:ubuntu_linux:apache2-mpm-worker |
canonical | ubuntu_linux | apache2.2-bin | p-cpe:/a:canonical:ubuntu_linux:apache2.2-bin |
canonical | ubuntu_linux | 10.04 | cpe:/o:canonical:ubuntu_linux:10.04:-:lts |
canonical | ubuntu_linux | 10.10 | cpe:/o:canonical:ubuntu_linux:10.10 |
canonical | ubuntu_linux | 11.04 | cpe:/o:canonical:ubuntu_linux:11.04 |
canonical | ubuntu_linux | 8.04 | cpe:/o:canonical:ubuntu_linux:8.04:-:lts |