7.4 High
CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:A/AC:M/Au:S/C:C/I:C/A:C
0.001 Low
EPSS
Percentile
28.1%
Two vulnerabilities have been discovered in KVM, a solution for full virtualization on x86 hardware :
CVE-2011-2212 Nelson Elhage discovered a buffer overflow in the virtio subsystem, which could lead to denial of service or privilege escalation.
CVE-2011-2527 Andrew Griffiths discovered that group privileges were insufficiently dropped when started with -runas option, resulting in privilege escalation.
#%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-2282. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(55672);
script_version("1.12");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/11");
script_cve_id("CVE-2011-2212", "CVE-2011-2527");
script_bugtraq_id(48574, 48659);
script_xref(name:"DSA", value:"2282");
script_name(english:"Debian DSA-2282-1 : qemu-kvm - 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:
"Two vulnerabilities have been discovered in KVM, a solution for full
virtualization on x86 hardware :
- CVE-2011-2212
Nelson Elhage discovered a buffer overflow in the virtio
subsystem, which could lead to denial of service or
privilege escalation.
- CVE-2011-2527
Andrew Griffiths discovered that group privileges were
insufficiently dropped when started with -runas option,
resulting in privilege escalation."
);
script_set_attribute(
attribute:"see_also",
value:"https://security-tracker.debian.org/tracker/CVE-2011-2212"
);
script_set_attribute(
attribute:"see_also",
value:"https://security-tracker.debian.org/tracker/CVE-2011-2527"
);
script_set_attribute(
attribute:"see_also",
value:"https://packages.debian.org/source/squeeze/qemu-kvm"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.debian.org/security/2011/dsa-2282"
);
script_set_attribute(
attribute:"solution",
value:
"Upgrade the qemu-kvm packages.
For the stable distribution (squeeze), this problem has been fixed in
version 0.12.5+dfsg-5+squeeze6."
);
script_set_cvss_base_vector("CVSS2#AV:A/AC:M/Au:S/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:ND/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:qemu-kvm");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:6.0");
script_set_attribute(attribute:"patch_publication_date", value:"2011/07/25");
script_set_attribute(attribute:"plugin_publication_date", value:"2011/07/26");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2011-2021 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:"kvm", reference:"0.12.5+dfsg-5+squeeze6")) flag++;
if (deb_check(release:"6.0", prefix:"qemu-kvm", reference:"0.12.5+dfsg-5+squeeze6")) flag++;
if (deb_check(release:"6.0", prefix:"qemu-kvm-dbg", reference:"0.12.5+dfsg-5+squeeze6")) flag++;
if (flag)
{
if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get());
else security_hole(0);
exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
Vendor | Product | Version | CPE |
---|---|---|---|
debian | debian_linux | qemu-kvm | p-cpe:/a:debian:debian_linux:qemu-kvm |
debian | debian_linux | 6.0 | cpe:/o:debian:debian_linux:6.0 |