5.6 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
5.8 Medium
AI Score
Confidence
High
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.005 Low
EPSS
Percentile
75.3%
The remote host is missing an update for the
# Copyright (C) 2021 Greenbone Networks GmbH
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# 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_oid("1.3.6.1.4.1.25623.1.0.883321");
script_version("2021-08-17T06:00:55+0000");
script_cve_id("CVE-2020-13765", "CVE-2020-16092");
script_tag(name:"cvss_base", value:"6.8");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
script_tag(name:"last_modification", value:"2021-08-17 06:00:55 +0000 (Tue, 17 Aug 2021)");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2021-01-04 20:15:00 +0000 (Mon, 04 Jan 2021)");
script_tag(name:"creation_date", value:"2021-02-04 04:00:47 +0000 (Thu, 04 Feb 2021)");
script_name("CentOS: Security Advisory for qemu-img (CESA-2021:0347)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2021 Greenbone Networks GmbH");
script_family("CentOS Local Security Checks");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/centos", "ssh/login/rpms", re:"ssh/login/release=CentOS7");
script_xref(name:"Advisory-ID", value:"CESA-2021:0347");
script_xref(name:"URL", value:"https://lists.centos.org/pipermail/centos-announce/2021-February/048262.html");
script_tag(name:"summary", value:"The remote host is missing an update for the 'qemu-img'
package(s) announced via the CESA-2021:0347 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"Kernel-based Virtual Machine (KVM) is a full virtualization solution for
Linux on a variety of architectures. The qemu-kvm packages provide the
user-space component for running virtual machines that use KVM.
Security Fix(es):
* QEMU: loader: OOB access while loading registered ROM may lead to code
execution (CVE-2020-13765)
* QEMU: reachable assertion failure in net_tx_pkt_add_raw_fragment() in
hw/net/net_tx_pkt.c (CVE-2020-16092)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
Bug Fix(es):
* qemu-kvm FTBFS on rhel7.9 (BZ#1884997)");
script_tag(name:"affected", value:"'qemu-img' package(s) on CentOS 7.");
script_tag(name:"solution", value:"Please install the updated package(s).");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"package");
exit(0);
}
include("revisions-lib.inc");
include("pkg-lib-rpm.inc");
release = rpm_get_ssh_release();
if(!release)
exit(0);
res = "";
report = "";
if(release == "CentOS7") {
if(!isnull(res = isrpmvuln(pkg:"qemu-img", rpm:"qemu-img~1.5.3~175.el7_9.3", rls:"CentOS7"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"qemu-kvm", rpm:"qemu-kvm~1.5.3~175.el7_9.3", rls:"CentOS7"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"qemu-kvm-common", rpm:"qemu-kvm-common~1.5.3~175.el7_9.3", rls:"CentOS7"))) {
report += res;
}
if(!isnull(res = isrpmvuln(pkg:"qemu-kvm-tools", rpm:"qemu-kvm-tools~1.5.3~175.el7_9.3", rls:"CentOS7"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
5.6 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
5.8 Medium
AI Score
Confidence
High
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.005 Low
EPSS
Percentile
75.3%