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CVE-2019-12436

Good to know:

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Date: June 19, 2019

Samba 4.10.x before 4.10.5 has a NULL pointer dereference, leading to an AD DC LDAP server Denial of Service. This is related to an attacker using the paged search control. The attacker must have directory read access in order to attempt an exploit.

Language: C

Severity Score

Related Resources (10)

https://nvd.nist.gov/vuln/detail/CVE-2019-12436
https://www.samba.org/samba/security/CVE-2019-12436.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-12436
http://www.securityfocus.com/bid/108823
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQ3LCJNJ3ONHIRKDSKOTT6QGXALLCHVG/
https://security.alpinelinux.org/vuln/CVE-2019-12436
https://usn.ubuntu.com/4018-1/
https://www.synology.com/security/advisory/Synology_SA_19_27
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZQ3LCJNJ3ONHIRKDSKOTT6QGXALLCHVG/
https://www.mend.io/vulnerability-database/CVE-2019-12436

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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