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CVE-2020-13253

Date: May 27, 2020

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.

Language: C

Severity Score

5.5

Related Resources (11)

Url: https://bugzilla.redhat.com/show_bug.cgi?id=1838546

Url: https://lists.gnu.org/archive/html/qemu-devel/2020-05/msg05835.html

Url: https://usn.ubuntu.com/4467-1/

Url: https://security.gentoo.org/glsa/202011-09

Url: https://security-tracker.debian.org/tracker/CVE-2020-13253

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2020-13253

Url: https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-13253

Url: http://www.openwall.com/lists/oss-security/2020/05/27/2

Url: https://lists.debian.org/debian-lts-announce/2020/09/msg00013.html

Url: https://www.mend.io/vulnerability-database/CVE-2020-13253

Severity Score

5.5

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

CVSS v3.1

Base Score:	5.5
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	2.1
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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