CVE-2020-10700

Publication date 28 April 2020

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

A use-after-free flaw was found in the way samba AD DC LDAP servers, handled 'Paged Results' control is combined with the 'ASQ' control. A malicious user in a samba AD could use this flaw to cause denial of service. This issue affects all samba versions before 4.10.15, before 4.11.8 and before 4.12.2.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
samba	20.04 LTS focal	Fixed 2:4.11.6+dfsg-0ubuntu1.1
	19.10 eoan	Fixed 2:4.10.7+dfsg-0ubuntu2.5
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not affected

Notes

mdeslaur

Samba 4.10.0 and later

Severity score breakdown

Parameter	Value
Base score	5.3 · Medium
Attack vector	Network
Attack complexity	High
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-4341-1
Samba vulnerabilities
28 April 2020