CVE-2020-13253

Description

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.02%
Vendor Advisory ubuntu.com Vendor Advisory gentoo.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lists.gnu.org/archive/html/qemu-devel/2020-05/msg05835.html patch mailing list third party advisory
http://www.openwall.com/lists/oss-security/2020/05/27/2 patch mailing list third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1838546 patch third party advisory issue tracking
https://usn.ubuntu.com/4467-1/ third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00013.html third party advisory mailing list
https://security.gentoo.org/glsa/202011-09 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2020-13253?
CVE-2020-13253 has been scored as a medium severity vulnerability.
How to fix CVE-2020-13253?
To fix CVE-2020-13253, 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-2020-13253 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-13253 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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