CVE-2020-36229

A flaw was discovered in ldap_X509dn2bv in OpenLDAP before 2.4.57 leading to a slapd crash in the X.509 DN parsing in ad_keystring, resulting in denial of service.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://seclists.org/fulldisclosure/2021/May/64	Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/May/65	Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/May/70	Mailing List Third Party Advisory
https://bugs.openldap.org/show_bug.cgi?id=9425	Issue Tracking Vendor Advisory
https://git.openldap.org/openldap/openldap/-/commit/4bdfffd2889c0c5cdf58bebafbdc8fce4bb2bff0	Patch Vendor Advisory
https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57	Release Notes Vendor Advisory
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html	Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20210226-0002/	Third Party Advisory
https://support.apple.com/kb/HT212529	Third Party Advisory
https://support.apple.com/kb/HT212530	Third Party Advisory
https://support.apple.com/kb/HT212531	Third Party Advisory
https://www.debian.org/security/2021/dsa-4845	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:openldap:openldap:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:10.0:::::::*

Configuration 3 (hide)

OR	cpe:2.3:o:apple:mac_os_x::::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:-::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-001::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-002::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-003::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update::::::
	cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2::::::
	cpe:2.3:o:apple:macos::::::::

History

No history.

Information

Published : 2021-01-26 18:15

Updated : 2023-11-07 03:22

NVD link : CVE-2020-36229

Mitre link : CVE-2020-36229

CVE.ORG link : CVE-2020-36229

JSON object : View

Products Affected

debian

debian_linux

apple

macos
mac_os_x

openldap

openldap

CWE

CWE-843

Access of Resource Using Incompatible Type ('Type Confusion')

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"confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2021-01-26T18:15:57.287", "references": [{"url": "http://seclists.org/fulldisclosure/2021/May/64", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://seclists.org/fulldisclosure/2021/May/65", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://seclists.org/fulldisclosure/2021/May/70", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://bugs.openldap.org/show_bug.cgi?id=9425", "tags": ["Issue Tracking", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://git.openldap.org/openldap/openldap/-/commit/4bdfffd2889c0c5cdf58bebafbdc8fce4bb2bff0", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E", "source": "cve@mitre.org"}, {"url": "https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E", "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://security.netapp.com/advisory/ntap-20210226-0002/", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://support.apple.com/kb/HT212529", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://support.apple.com/kb/HT212530", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://support.apple.com/kb/HT212531", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.debian.org/security/2021/dsa-4845", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-843"}]}], "descriptions": [{"lang": "en", "value": "A flaw was discovered in ldap_X509dn2bv in OpenLDAP before 2.4.57 leading to a slapd crash in the X.509 DN parsing in ad_keystring, resulting in denial of service."}, {"lang": "es", "value": "Se detect\u00f3 un fallo en ldap_X509dn2bv en OpenLDAP versiones anteriores a 2.4.57, conllevando un bloqueo de slapd en el an\u00e1lisis del DN X.509 en ad_keystring, resultando en una denegaci\u00f3n de servicio"}], "lastModified": "2023-11-07T03:22:07.873", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:openldap:openldap:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2192B6C0-FDC8-4609-B6C4-C78633717D07", "versionEndExcluding": "2.4.57"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}, {"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3E76BECE-0843-4B9F-90DE-7690764701B0", "versionEndExcluding": "10.14.6", "versionStartIncluding": "10.14.0"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "693E7DAE-BBF0-4D48-9F8A-20DDBD4AAC0C"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A369D48B-6A0A-47AE-9513-D5E2E6F30931"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "510F8317-94DA-498E-927A-83D5F41AF54A"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0D5D1970-6D2A-42CA-A203-42023D71730D"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C68AE52B-5139-40A4-AE9A-E752DBF07D1B"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0FD3467D-7679-479F-9C0B-A93F7CD0929D"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D4C6098E-EDBD-4A85-8282-B2E9D9333872"}, {"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "518BB47B-DD76-4E8C-9F10-7EBC1E146191"}, {"criteria": 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7.5 /10

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0 /10

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

JSON object

Attach tags to CVE-2020-36229

7.5^/10

5.0^/10

Attach tags to `CVE-2020-36229`