CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:S/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
AI Score
Confidence
Low
EPSS
Percentile
51.0%
Check the version of qemu-img
# SPDX-FileCopyrightText: 2017 Greenbone AG
# 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-only
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.882671");
script_version("2023-11-03T05:05:46+0000");
script_tag(name:"last_modification", value:"2023-11-03 05:05:46 +0000 (Fri, 03 Nov 2023)");
script_tag(name:"creation_date", value:"2017-03-04 05:49:30 +0100 (Sat, 04 Mar 2017)");
script_cve_id("CVE-2017-2615", "CVE-2017-2620");
script_tag(name:"cvss_base", value:"9.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:C/I:C/A:C");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2018-09-07 10:29:00 +0000 (Fri, 07 Sep 2018)");
script_tag(name:"qod_type", value:"package");
script_name("CentOS Update for qemu-img CESA-2017:0396 centos7");
script_tag(name:"summary", value:"Check the version of qemu-img");
script_tag(name:"vuldetect", value:"Checks if a vulnerable 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):
* Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA emulator
support is vulnerable to an out-of-bounds access issue. It could occur
while copying VGA data via bitblt copy in backward mode. A privileged user
inside a guest could use this flaw to crash the QEMU process resulting in
DoS or potentially execute arbitrary code on the host with privileges of
QEMU process on the host. (CVE-2017-2615)
* Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA Emulator
support is vulnerable to an out-of-bounds access issue. The issue could
occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user
inside guest could use this flaw to crash the QEMU process OR potentially
execute arbitrary code on host with privileges of the QEMU process.
(CVE-2017-2620)
Red Hat would like to thank Wjjzhang (Tencent.com Inc.) and Li Qiang
(360.cn Inc.) for reporting CVE-2017-2615.
Bug Fix(es):
* When using the virtio-blk driver on a guest virtual machine with no space
on the virtual hard drive, the guest terminated unexpectedly with a 'block
I/O error in device' message and the qemu-kvm process exited with a
segmentation fault. This update fixes how the system_reset QEMU signal is
handled in the above scenario. As a result, if a guest crashes due to no
space left on the device, qemu-kvm continues running and the guest can be
reset as expected. (BZ#1420049)");
script_tag(name:"affected", value:"qemu-img on CentOS 7");
script_tag(name:"solution", value:"Please Install the Updated Packages.");
script_xref(name:"CESA", value:"2017:0396");
script_xref(name:"URL", value:"http://lists.centos.org/pipermail/centos-announce/2017-March/022321.html");
script_tag(name:"solution_type", value:"VendorFix");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2017 Greenbone AG");
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");
exit(0);
}
include("revisions-lib.inc");
include("pkg-lib-rpm.inc");
release = rpm_get_ssh_release();
if(!release)
exit(0);
res = "";
if(release == "CentOS7")
{
if ((res = isrpmvuln(pkg:"qemu-img", rpm:"qemu-img~1.5.3~126.el7_3.5", rls:"CentOS7")) != NULL)
{
security_message(data:res);
exit(0);
}
if ((res = isrpmvuln(pkg:"qemu-kvm", rpm:"qemu-kvm~1.5.3~126.el7_3.5", rls:"CentOS7")) != NULL)
{
security_message(data:res);
exit(0);
}
if ((res = isrpmvuln(pkg:"qemu-kvm-common", rpm:"qemu-kvm-common~1.5.3~126.el7_3.5", rls:"CentOS7")) != NULL)
{
security_message(data:res);
exit(0);
}
if ((res = isrpmvuln(pkg:"qemu-kvm-tools", rpm:"qemu-kvm-tools~1.5.3~126.el7_3.5", rls:"CentOS7")) != NULL)
{
security_message(data:res);
exit(0);
}
if (__pkg_match) exit(99);
exit(0);
}
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:S/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
AI Score
Confidence
Low
EPSS
Percentile
51.0%