Samba up to 4.10.14/4.11.7/4.12.1 AD DC LDAP Server use after free

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CVSS Meta Temp Score
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4.0$0-$5k0.00

A vulnerability classified as problematic has been found in Samba up to 4.10.14/4.11.7/4.12.1 (File Transfer Software). Affected is an unknown part of the component AD DC LDAP Server. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-416. This is going to have an impact on availability. CVE summarizes:

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.

The weakness was published 05/04/2020 as not defined bug report (Bugzilla). The advisory is available at bugzilla.redhat.com. This vulnerability is traded as CVE-2020-10700 since 03/20/2020. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

Upgrading to version 4.10.15, 4.11.8 or 4.12.2 eliminates this vulnerability.

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CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.0

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfoedit

Class: Memory corruption
CWE: CWE-416
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
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Economy: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Samba 4.10.15/4.11.8/4.12.2

Timelineinfoedit

03/20/2020 🔍
05/04/2020 +45 days 🔍
05/05/2020 +1 days 🔍
10/15/2020 +163 days 🔍

Sourcesinfoedit

Product: https://www.samba.org/

Advisory: bugzilla.redhat.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-10700 (🔍)

Entryinfoedit

Created: 05/05/2020 08:27 AM
Updated: 10/15/2020 08:59 AM
Changes: (1) source_cve_cna
Complete: 🔍

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