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Debian Security Advisory DSA 3421-1 (grub2 - security update)

🗓️ 16 Dec 2015 00:00:00Reported by Copyright (c) 2015 Greenbone Networks GmbH http://greenbone.netType 
openvas
 openvas🔗 plugins.openvas.org👁 16 Views

Debian Security Advisory DSA 3421-1 (grub2 - security update) addressing integer underflow vulnerability allowing local authentication bypas

Related
Refs
Code
ReporterTitlePublishedViews
Family
ArchLinux		bind: denial of service
16 Dec 201500:00
–archlinux
ArchLinux		ruby: unsafe tainted string usage
17 Dec 201500:00
–archlinux
BDU FSTEC		Vulnerabilities in the Grub2 operating system loaders, which allow attackers to obtain confidential information or cause service failures
22 Jan 201600:00
–bdu_fstec
CBLMariner		CVE-2015-8370 affecting package grub2 2.02-26
9 Sep 202006:09
–cbl_mariner
Tenable Nessus		CentOS 7 : grub2 (CESA-2015:2623)
17 Dec 201500:00
–nessus
Tenable Nessus		Debian DLA-368-1 : grub2 security update
14 Dec 201500:00
–nessus
Tenable Nessus		Debian DSA-3421-1 : grub2 - security update
17 Dec 201500:00
–nessus
Tenable Nessus		F5 Networks BIG-IP : GRUB2 vulnerability (SOL25901386)
14 Jan 201600:00
–nessus
Tenable Nessus		Fedora 22 : grub2-2.02-0.18.fc22 (2015-90c27b6e91)
4 Mar 201600:00
–nessus
Tenable Nessus		Fedora 23 : grub2-2.02-0.25.fc23 (2015-cebe5133e7)
4 Mar 201600:00
–nessus
Rows per page
# OpenVAS Vulnerability Test
# $Id: deb_3421.nasl 6609 2017-07-07 12:05:59Z cfischer $
# Auto-generated from advisory DSA 3421-1 using nvtgen 1.0
# Script version: 1.0
#
# Author:
# Greenbone Networks
#
# Copyright:
# Copyright (c) 2015 Greenbone Networks GmbH http://greenbone.net
# Text descriptions are largely excerpted from the referenced
# advisory, and are Copyright (c) the respective author(s)
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#


if(description)
{
    script_id(703421);
    script_version("$Revision: 6609 $");
    script_cve_id("CVE-2015-8370");
    script_name("Debian Security Advisory DSA 3421-1 (grub2 - security update)");
    script_tag(name: "last_modification", value: "$Date: 2017-07-07 14:05:59 +0200 (Fri, 07 Jul 2017) $");
    script_tag(name: "creation_date", value: "2015-12-16 00:00:00 +0100 (Wed, 16 Dec 2015)");
    script_tag(name:"cvss_base", value:"6.9");
    script_tag(name:"cvss_base_vector", value:"AV:L/AC:M/Au:N/C:C/I:C/A:C");
    script_tag(name: "solution_type", value: "VendorFix");
    script_tag(name: "qod_type", value: "package");

    script_xref(name: "URL", value: "http://www.debian.org/security/2015/dsa-3421.html");


    script_category(ACT_GATHER_INFO);

    script_copyright("Copyright (c) 2015 Greenbone Networks GmbH http://greenbone.net");
    script_family("Debian Local Security Checks");
    script_dependencies("gather-package-list.nasl");
    script_mandatory_keys("ssh/login/debian_linux", "ssh/login/packages");
    script_tag(name: "affected",  value: "grub2 on Debian Linux");
    script_tag(name: "insight",   value: "This is a dummy transitional package
to handle GRUB 2 upgrades. It can be safely removed.");
    script_tag(name: "solution",  value: "For the oldstable distribution (wheezy),
this problem has been fixed in version 1.99-27+deb7u3.

For the stable distribution (jessie), this problem has been fixed in
version 2.02~beta2-22+deb8u1.

For the unstable distribution (sid), this problem has been fixed in
version 2.02~beta2-33.

We recommend that you upgrade your grub2 packages.");
    script_tag(name: "summary",   value: "Hector Marco and Ismael Ripoll, from
Cybersecurity UPV Research Group, found an integer underflow vulnerability in
Grub2, a popular bootloader. A local attacker can bypass the Grub2 authentication
by inserting a crafted input as username or password.

More information:
http://hmarco.org/bugs/CVE-2015-8370-Grub2-authentication-bypass.htmlCVE-2015-8370");
    script_tag(name: "vuldetect", value: "This check tests the installed software
version using the apt package manager.");
    exit(0);
}

include("revisions-lib.inc");
include("pkg-lib-deb.inc");

res = "";
report = "";
if ((res = isdpkgvuln(pkg:"grub-common", ver:"1.99-27+deb7u3", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-coreboot", ver:"1.99-27+deb7u3", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-coreboot-bin", ver:"1.99-27+deb7u3", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-efi", ver:"1.99-27+deb7u3", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-efi-amd64", ver:"1.99-27+deb7u3", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-efi-amd64-bin", ver:"1.99-27+deb7u3", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-efi-ia32", ver:"1.99-27+deb7u3", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-efi-ia32-bin", ver:"1.99-27+deb7u3", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-emu", ver:"1.99-27+deb7u3", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-firmware-qemu", ver:"1.99-27+deb7u3", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-ieee1275", ver:"1.99-27+deb7u3", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-ieee1275-bin", ver:"1.99-27+deb7u3", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-linuxbios", ver:"1.99-27+deb7u3", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-pc", ver:"1.99-27+deb7u3", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-pc-bin", ver:"1.99-27+deb7u3", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-rescue-pc", ver:"1.99-27+deb7u3", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-yeeloong", ver:"1.99-27+deb7u3", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-yeeloong-bin", ver:"1.99-27+deb7u3", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub2", ver:"1.99-27+deb7u3", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub2-common", ver:"1.99-27+deb7u3", rls_regex:"DEB7.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-common", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-coreboot", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-coreboot-bin", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-coreboot-dbg", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-efi", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-efi-amd64", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-efi-amd64-bin", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-efi-amd64-dbg", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-efi-arm", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-efi-arm-bin", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-efi-arm-dbg", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-efi-arm64", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-efi-arm64-bin", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-efi-arm64-dbg", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-efi-ia32", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-efi-ia32-bin", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-efi-ia32-dbg", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-emu", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-emu-dbg", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-firmware-qemu", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-ieee1275", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-ieee1275-bin", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-ieee1275-dbg", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-linuxbios", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-pc", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-pc-bin", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-pc-dbg", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-rescue-pc", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-theme-starfield", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-uboot", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-uboot-bin", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-uboot-dbg", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-xen", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-xen-bin", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-xen-dbg", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-xen-host", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-yeeloong", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-yeeloong-bin", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub-yeeloong-dbg", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub2", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}
if ((res = isdpkgvuln(pkg:"grub2-common", ver:"2.02~beta2-22+deb8u1", rls_regex:"DEB8.[0-9]+")) != NULL) {
    report += res;
}

if (report != "") {
    security_message(data:report);
} else if (__pkg_match) {
    exit(99); # Not vulnerable.
}

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07 Jul 2017 00:00Current
0.3Low risk
Vulners AI Score0.3
EPSS0.01104
debian linuxgrub2integer underflow
16