CVE-2020-17380 Information

Description

A heap-based buffer overflow was found in QEMU through 5.0.0 in the SDHCI device emulation support. It could occur while doing a multi block SDMA transfer via the sdhci_sdma_transfer_multi_blocks() routine in hw/sd/sdhci.c. A guest user or process could use this flaw to crash the QEMU process on the host resulting in a denial of service condition or potentially execute arbitrary code with privileges of the QEMU process on the host.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

Reference

https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg01175.html https://bugzilla.redhat.com/show_bug.cgi?id=1862167 http://www.openwall.com/lists/oss-security/2021/03/09/1 https://security.netapp.com/advisory/ntap-20210312-0003/ https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

LOW

Base Severity

6.3