CVE-2020-13765

Description

rom_copy() in hw/core/loader.c in QEMU 4.0 and 4.1.0 does not validate the relationship between two addresses, which allows attackers to trigger an invalid memory copy operation.

Category

5.6
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.69% Top 30%
Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=e423455c4f23a1a828901c78fe6d03b7dde79319
https://www.openwall.com/lists/oss-security/2020/06/03/6 third party advisory mailing list
https://security.netapp.com/advisory/ntap-20200619-0006/ third party advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html third party advisory mailing list
https://usn.ubuntu.com/4467-1/ third party advisory vendor advisory
https://github.com/qemu/qemu/commit/4f1c6cb2f9afafda05eab150fd2bd284edce6676 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-13765?
CVE-2020-13765 has been scored as a medium severity vulnerability.
How to fix CVE-2020-13765?
To fix CVE-2020-13765, 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-2020-13765 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-13765 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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