Vulnerability CVE-2020-13754

Vulnerability Name:

CVE-2020-13754 (CCN-182822)

Assigned:

2020-06-01

Published:

2020-06-01

Updated:

2020-12-14

Summary:

hw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access via a crafted address in an msi-x mmio operation.

CVSS v3 Severity:

6.7 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
5.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): High User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
3.5 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Low

5.0 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L)
4.4 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): High Privileges Required (PR): High User Interaction (UI): None
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): Low

CVSS v2 Severity:

4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

Vulnerability Type:

CWE-119
CWE-787

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2020-13754

Source: CONFIRM
Type: Mailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/06/01/6

Source: MLIST
Type: Mailing List, Patch, Third Party Advisory
[oss-security] 20200615 Re: CVE-2020-13754 QEMU: msix: OOB access during mmio operations may lead to DoS

Source: XF
Type: UNKNOWN
qemu-cve202013754-dos(182822)

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20200726 [SECURITY] [DLA 2288-1] qemu security update

Source: CCN
Type: qemu-devel Web site
[PATCH] msix: add valid.accepts methods to check address

Source: MISC
Type: Issue Tracking, Patch, Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg00004.html

Source: CCN
Type: oss-sec Mailing List, Mon, 1 Jun 2020 23:53:01 +0530 (IST)
CVE-2020-13754 QEMU: msix: OOB access during mmio operations may lead to DoS

Source: GENTOO
Type: Third Party Advisory
GLSA-202011-09

Source: CONFIRM
Type: Third Party Advisory
https://security.netapp.com/advisory/ntap-20200608-0007/

Source: UBUNTU
Type: Third Party Advisory
USN-4467-1

Source: DEBIAN
Type: Third Party Advisory
DSA-4728

Vulnerable Configuration:

Configuration 1:

cpe:/a:qemu:qemu:*:*:*:*:*:*:*:* (Version <= 5.0.1)

Configuration 2:

cpe:/o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

OR cpe:/o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

OR cpe:/o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*

Configuration 3:

cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

OR cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Configuration RedHat 1:

cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*

Configuration RedHat 2:

cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*

Configuration RedHat 3:

cpe:/a:redhat:enterprise_linux:8::crb:*:*:*:*:*

Configuration CCN 1:

cpe:/a:qemu:qemu:4.2.0:-:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:97041	P	stunnel-5.44-1.29 on GA media (Moderate)	2021-09-21
oval:com.redhat.rhsa:def:20213061	P	RHSA-2021:3061: virt:rhel and virt-devel:rhel security and bug fix update (Moderate)	2021-08-10
oval:org.opensuse.security:def:88452	P	Security update for qemu (Important)	2021-06-10
oval:org.opensuse.security:def:59493	P	Security update for qemu (Important)	2021-06-10
oval:org.opensuse.security:def:33670	P	Security update for qemu (Important)	2021-06-10
oval:org.opensuse.security:def:126724	P	Security update for qemu (Important)	2021-06-10
oval:org.opensuse.security:def:89148	P	Security update for qemu (Important)	2021-06-10
oval:org.opensuse.security:def:59751	P	Security update for qemu (Important)	2021-06-10
oval:org.opensuse.security:def:33928	P	Security update for qemu (Important)	2021-06-10
oval:org.opensuse.security:def:127121	P	Security update for qemu (Important)	2021-06-10
oval:org.opensuse.security:def:89406	P	Security update for qemu (Important)	2021-06-10
oval:org.opensuse.security:def:88139	P	Security update for qemu (Important)	2021-06-10
oval:org.opensuse.security:def:51909	P	Security update for qemu (Important)	2021-06-10
oval:org.opensuse.security:def:125554	P	Security update for qemu (Important)	2021-06-10
oval:org.opensuse.security:def:23921	P	Security update for qemu (Important)	2021-06-10
oval:org.opensuse.security:def:57017	P	Security update for qemu (Important)	2021-06-08
oval:org.opensuse.security:def:9338	P	Security update for qemu (Important)	2021-06-08
oval:org.opensuse.security:def:31194	P	Security update for qemu (Important)	2021-06-08
oval:org.opensuse.security:def:84155	P	Security update for qemu (Important)	2021-06-08
oval:org.opensuse.security:def:86577	P	Security update for qemu (Important)	2021-06-08
oval:org.opensuse.security:def:57457	P	Security update for qemu (Important)	2021-06-08
oval:org.opensuse.security:def:10092	P	Security update for qemu (Important)	2021-06-08
oval:org.opensuse.security:def:31634	P	Security update for qemu (Important)	2021-06-08
oval:org.opensuse.security:def:84613	P	Security update for qemu (Important)	2021-06-08
oval:org.opensuse.security:def:87403	P	Security update for qemu (Important)	2021-06-08
oval:org.opensuse.security:def:57936	P	Security update for qemu (Important)	2021-06-08
oval:org.opensuse.security:def:51581	P	Security update for qemu (Important)	2021-06-08
oval:org.opensuse.security:def:32113	P	Security update for qemu (Important)	2021-06-08
oval:org.opensuse.security:def:23593	P	Security update for qemu (Important)	2021-06-08
oval:org.opensuse.security:def:85658	P	Security update for qemu (Important)	2021-06-08
oval:org.opensuse.security:def:69478	P	Security update for qemu (Important)	2021-06-08
oval:org.opensuse.security:def:8595	P	Security update for qemu (Important)	2021-06-08
oval:org.opensuse.security:def:58762	P	Security update for qemu (Important)	2021-06-08
oval:org.opensuse.security:def:32939	P	Security update for qemu (Important)	2021-06-08
oval:org.opensuse.security:def:86098	P	Security update for qemu (Important)	2021-06-08
oval:org.opensuse.security:def:70232	P	Security update for qemu (Important)	2021-06-08
oval:org.opensuse.security:def:55194	P	Security update for qemu (Important)	2021-06-02
oval:org.opensuse.security:def:29371	P	Security update for qemu (Important)	2021-06-02
oval:org.opensuse.security:def:82578	P	Security update for qemu (Important)	2021-06-02
oval:org.opensuse.security:def:55904	P	Security update for qemu (Important)	2021-06-02
oval:org.opensuse.security:def:30081	P	Security update for qemu (Important)	2021-06-02
oval:org.opensuse.security:def:83288	P	Security update for qemu (Important)	2021-06-02
oval:org.opensuse.security:def:56024	P	Security update for qemu (Important)	2021-06-02
oval:org.opensuse.security:def:30201	P	Security update for qemu (Important)	2021-06-02
oval:org.opensuse.security:def:83408	P	Security update for qemu (Important)	2021-06-02

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