CVE-2020-10700: Use After Free

Published May 4, 2020
·
Updated

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.

Affected Software

7 affected components
Samba Samba>=4.10.0<4.10.15
Samba Samba>=4.11.0<4.11.8
Samba Samba>=4.12.0<4.12.2
Fedoraproject Fedora=30
Fedoraproject Fedora=31
Fedoraproject Fedora=32
openSUSE Leap=15.2

Event History

May 4, 2020
CVE Published
via MITRE·08:03 PM
Data Sourced
via MITRE·08:03 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2020-10700?

CVE-2020-10700 has a severity rating that indicates it can lead to denial of service for impacted Samba Active Directory servers.

2

How do I fix CVE-2020-10700?

To fix CVE-2020-10700, upgrade to Samba version 4.10.15, 4.11.8, or 4.12.2 or later.

3

Which versions of Samba are affected by CVE-2020-10700?

CVE-2020-10700 affects all Samba versions prior to 4.10.15, 4.11.8, and 4.12.2.

4

Can CVE-2020-10700 be exploited by remote attackers?

Yes, a malicious user within a Samba Active Directory could exploit CVE-2020-10700 to cause a denial of service.

5

Is CVE-2020-10700 applicable to Fedora or openSUSE?

Yes, Fedora versions 30, 31, and 32, as well as openSUSE Leap 15.2, are also affected by CVE-2020-10700.

Contact

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