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CVE-2020-10704

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Date: May 5, 2020

A flaw was found when using samba as an Active Directory Domain Controller. Due to the way samba handles certain requests as an Active Directory Domain Controller LDAP server, an unauthorized user can cause a stack overflow leading to a denial of service. The highest threat from this vulnerability is to system availability. This issue affects all samba versions before 4.10.15, before 4.11.8 and before 4.12.2.

Language: C

Severity Score

Related Resources (15)

https://security-tracker.debian.org/tracker/CVE-2020-10704
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U5KW3ZO35NVDO57JSBZHTQZOS3AIQ5QE/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y7DVGCHG3XPIBQ5ETGMGW7MXNOO4HFH4/
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10704
https://www.samba.org/samba/security/CVE-2020-10704.html
https://security.gentoo.org/glsa/202007-15
https://security.alpinelinux.org/vuln/CVE-2020-10704
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U5KW3ZO35NVDO57JSBZHTQZOS3AIQ5QE/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y7DVGCHG3XPIBQ5ETGMGW7MXNOO4HFH4/
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-10704
https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
https://nvd.nist.gov/vuln/detail/CVE-2020-10704
https://www.mend.io/vulnerability-database/CVE-2020-10704

Severity Score

Weakness Type (CWE)

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

Uncontrolled Recursion

CWE-674

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
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): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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