CVE-2020-17380

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.

Category

6.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.08%
Third-Party Advisory openwall.com Third-Party Advisory redhat.com Third-Party Advisory debian.org Third-Party Advisory nongnu.org Third-Party Advisory netapp.com
Affected: n/a n/a
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2020-17380?
CVE-2020-17380 has been scored as a medium severity vulnerability.
How to fix CVE-2020-17380?
To fix CVE-2020-17380, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-17380 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-17380 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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