Multiple vulnerabilities have been discovered in the Xen hypervisor.
The Common Vulnerabilities and Exposures project identifies the following problems :
CVE-2012-4544 Insufficient validation of kernel or ramdisk sizes in the Xen PV domain builder could result in denial of service.
CVE-2012-5511 Several HVM control operations performed insufficient validation of input, which could result in denial of service through resource exhaustion.
CVE-2012-5634 Incorrect interrupt handling when using VT-d hardware could result in denial of service.
CVE-2013-0153 Insufficient restriction of interrupt access could result in denial of service.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DSA-2636. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(64973);
script_version("1.11");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/11");
script_cve_id("CVE-2012-4544", "CVE-2012-5511", "CVE-2012-5634", "CVE-2013-0153");
script_bugtraq_id(56289, 56796, 57223, 57745);
script_xref(name:"DSA", value:"2636");
script_name(english:"Debian DSA-2636-2 : xen - several vulnerabilities");
script_summary(english:"Checks dpkg output for the updated package");
script_set_attribute(
attribute:"synopsis",
value:"The remote Debian host is missing a security-related update."
);
script_set_attribute(
attribute:"description",
value:
"Multiple vulnerabilities have been discovered in the Xen hypervisor.
The Common Vulnerabilities and Exposures project identifies the
following problems :
- CVE-2012-4544
Insufficient validation of kernel or ramdisk sizes in
the Xen PV domain builder could result in denial of
service.
- CVE-2012-5511
Several HVM control operations performed insufficient
validation of input, which could result in denial of
service through resource exhaustion.
- CVE-2012-5634
Incorrect interrupt handling when using VT-d hardware
could result in denial of service.
- CVE-2013-0153
Insufficient restriction of interrupt access could
result in denial of service."
);
script_set_attribute(
attribute:"see_also",
value:"https://security-tracker.debian.org/tracker/CVE-2012-4544"
);
script_set_attribute(
attribute:"see_also",
value:"https://security-tracker.debian.org/tracker/CVE-2012-5511"
);
script_set_attribute(
attribute:"see_also",
value:"https://security-tracker.debian.org/tracker/CVE-2012-5634"
);
script_set_attribute(
attribute:"see_also",
value:"https://security-tracker.debian.org/tracker/CVE-2013-0153"
);
script_set_attribute(
attribute:"see_also",
value:"https://packages.debian.org/source/squeeze/xen"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.debian.org/security/2013/dsa-2636"
);
script_set_attribute(
attribute:"solution",
value:
"Upgrade the xen packages.
For the stable distribution (squeeze), these problems have been fixed
in version 4.0.1-5.8."
);
script_set_cvss_base_vector("CVSS2#AV:A/AC:L/Au:N/C:N/I:N/A:C");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:xen");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:6.0");
script_set_attribute(attribute:"patch_publication_date", value:"2013/03/03");
script_set_attribute(attribute:"plugin_publication_date", value:"2013/03/04");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2013-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"Debian Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");
exit(0);
}
include("audit.inc");
include("debian_package.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);
flag = 0;
if (deb_check(release:"6.0", prefix:"libxen-dev", reference:"4.0.1-5.8")) flag++;
if (deb_check(release:"6.0", prefix:"libxenstore3.0", reference:"4.0.1-5.8")) flag++;
if (deb_check(release:"6.0", prefix:"xen-docs-4.0", reference:"4.0.1-5.8")) flag++;
if (deb_check(release:"6.0", prefix:"xen-hypervisor-4.0-amd64", reference:"4.0.1-5.8")) flag++;
if (deb_check(release:"6.0", prefix:"xen-hypervisor-4.0-i386", reference:"4.0.1-5.8")) flag++;
if (deb_check(release:"6.0", prefix:"xen-utils-4.0", reference:"4.0.1-5.8")) flag++;
if (deb_check(release:"6.0", prefix:"xenstore-utils", reference:"4.0.1-5.8")) flag++;
if (flag)
{
if (report_verbosity > 0) security_warning(port:0, extra:deb_report_get());
else security_warning(0);
exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
Vendor | Product | Version | CPE |
---|---|---|---|
debian | debian_linux | xen | p-cpe:/a:debian:debian_linux:xen |
debian | debian_linux | 6.0 | cpe:/o:debian:debian_linux:6.0 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-4544
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5511
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5634
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-0153
packages.debian.org/source/squeeze/xen
security-tracker.debian.org/tracker/CVE-2012-4544
security-tracker.debian.org/tracker/CVE-2012-5511
security-tracker.debian.org/tracker/CVE-2012-5634
security-tracker.debian.org/tracker/CVE-2013-0153
www.debian.org/security/2013/dsa-2636