CVE-2020-10730

Description

A NULL pointer dereference, or possible use-after-free flaw was found in Samba AD LDAP server in versions before 4.10.17, before 4.11.11 and before 4.12.4. Although some versions of Samba shipped with Red Hat Enterprise Linux do not support Samba in AD mode, the affected code is shipped with the libldb package. This flaw allows an authenticated user to possibly trigger a use-after-free or NULL pointer dereference. The highest threat from this vulnerability is to system availability.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.76% Top 15%
Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory samba.org
Affected: n/a Samba
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1849489%3B
https://www.samba.org/samba/security/CVE-2020-10730.html vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2/ vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.html vendor advisory mailing list third party advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html vendor advisory mailing list third party advisory
https://security.gentoo.org/glsa/202007-15 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00000.html vendor advisory mailing list third party advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html vendor advisory mailing list third party advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html mailing list third party advisory issue tracking
https://www.debian.org/security/2021/dsa-4884 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-10730?
CVE-2020-10730 has been scored as a medium severity vulnerability.
How to fix CVE-2020-10730?
To fix CVE-2020-10730, 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-2020-10730 being actively exploited in the wild?
It is possible that CVE-2020-10730 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-10730?
CVE-2020-10730 affects n/a Samba.
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