Vulnerability CVE-2020-13253

Vulnerability Name:

CVE-2020-13253 (CCN-182608)

Assigned:

2020-05-27

Published:

2020-05-27

Updated:

2022-09-05

Summary:

sd_wp_addr in hw/sd/sd.c in QEMU 4.2.0 uses an unvalidated address, which leads to an out-of-bounds read during sdhci_write() operations. A guest OS user can crash the QEMU process.

CVSS v3 Severity:

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

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

3.3 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L)
2.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/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): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Low

CVSS v2 Severity:

2.1 Low (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 Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

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

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

Vulnerability Type:

CWE-125

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2020-13253

Source: CONFIRM
Type: Mailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/05/27/2

Source: CONFIRM
Type: Issue Tracking, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1838546

Source: XF
Type: UNKNOWN
qemu-cve202013253-dos(182608)

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20200913 [SECURITY] [DLA 2373-1] qemu security update

Source: MLIST
Type: UNKNOWN
[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update

Source: CCN
Type: qemu-devel Web site
[PATCH 1/2] sd: check bit number before setting card_status flag

Source: MISC
Type: Mailing List, Patch, Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2020-05/msg05835.html

Source: CCN
Type: oss-sec Mailing List, Wed, 27 May 2020 12:55:43 +0530 (IST)
CVE-2020-13253 QEMU: sd: OOB access could crash the guest resulting in DoS

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

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

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2020-13253

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:*:*:*:*:*:*:*

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:119099	P	Security update for qemu (Low)	2022-02-18
oval:org.opensuse.security:def:42190	P	Security update for qemu (Low)	2022-01-27

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