CVE-2020-10704

high

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.

References

https://www.samba.org/samba/security/CVE-2020-10704.html

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10704

https://lists.fedoraproject.org/archives/list/[email protected]/message/Y7DVGCHG3XPIBQ5ETGMGW7MXNOO4HFH4/

https://lists.fedoraproject.org/archives/list/[email protected]/message/U5KW3ZO35NVDO57JSBZHTQZOS3AIQ5QE/

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html

https://security.gentoo.org/glsa/202007-15

http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html

https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html

Details

Source: MITRE

Published: 2020-05-06

Updated: 2021-12-20

Type: CWE-674

Risk Information

CVSS v2

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH