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

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

Summaryinfo

A vulnerability labeled as problematic has been found in Samba up to 4.10.14/4.11.7/4.12.1. The affected element is an unknown function of the component AD DC LDAP Server. The manipulation results in use after free. This vulnerability is known as CVE-2020-10700. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

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 use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. 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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Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.1

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

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Samba 4.10.15/4.11.8/4.12.2

Timelineinfo

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

Sourcesinfo

Product: samba.org

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

CVE: CVE-2020-10700 (🔍)
GCVE (CVE): GCVE-0-2020-10700
GCVE (VulDB): GCVE-100-154710

Entryinfo

Created: 05/05/2020 08:27
Updated: 10/15/2020 08:59
Changes: 05/05/2020 08:27 (39), 05/05/2020 08:32 (12), 10/15/2020 08:51 (1), 10/15/2020 08:59 (1)
Complete: 🔍
Cache ID: 216::103

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