CVE-2020-10704

Description

A flaw was found when using samba as an Active Directory Domain Controller. Due to the way samba handles certain requests as an Active Directory Domain Controller LDAP server, an unauthorized user can cause a stack overflow leading to a denial of service. The highest threat from this vulnerability is to system availability. This issue affects all samba versions before 4.10.15, before 4.11.8 and before 4.12.2.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 8.93% Top 10%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory opensuse.org Vendor Advisory samba.org
Affected: Red Hat samba
Published at:
Updated at:

References

Link Tags
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y7DVGCHG3XPIBQ5ETGMGW7MXNOO4HFH4/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U5KW3ZO35NVDO57JSBZHTQZOS3AIQ5QE/ vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html mailing list third party advisory vendor advisory
https://security.gentoo.org/glsa/202007-15 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html mailing list third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html third party advisory mailing list
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10704 issue tracking third party advisory
https://www.samba.org/samba/security/CVE-2020-10704.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-10704?
CVE-2020-10704 has been scored as a high severity vulnerability.
How to fix CVE-2020-10704?
To fix CVE-2020-10704, 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-2020-10704 being actively exploited in the wild?
It is possible that CVE-2020-10704 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~9% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-10704?
CVE-2020-10704 affects Red Hat samba.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.