CVE-2020-10703

Public Exploit

Description

A NULL pointer dereference was found in the libvirt API responsible introduced in upstream version 3.10.0, and fixed in libvirt 6.0.0, for fetching a storage pool based on its target path. In more detail, this flaw affects storage pools created without a target path such as network-based pools like gluster and RBD. Unprivileged users with a read-only connection could abuse this flaw to crash the libvirt daemon, resulting in a potential denial of service.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.68% Top 30%
Vendor Advisory redhat.com Vendor Advisory fedoraproject.org Vendor Advisory redhat.com
Affected: libvirt libvirt
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10703 patch vendor advisory issue tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1790725 vendor advisory issue tracking exploit
https://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=dfff16a7c261f8d28e3abe60a47165f845fa952f
https://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=5d5c732d748d644ec14626bce448e84bdc4bd93e
https://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=7aa0e8c0cb8a6293d0c6f7e3d29c13b96dec2129
https://security.netapp.com/advisory/ntap-20200608-0005/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D5GE6ISYUL3CIWO3FQRUGMKTKP2NYED2/ vendor advisory
https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html mailing list

Frequently Asked Questions

What is the severity of CVE-2020-10703?
CVE-2020-10703 has been scored as a medium severity vulnerability.
How to fix CVE-2020-10703?
To fix CVE-2020-10703, 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-2020-10703 being actively exploited in the wild?
It is possible that CVE-2020-10703 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-10703?
CVE-2020-10703 affects libvirt libvirt.
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