CVE-2019-20104

The OpenID client application in Atlassian Crowd before version 3.6.2, and from version 3.7.0 before 3.7.1 allows remote attackers to perform a Denial of Service attack via an XML Entity Expansion vulnerability.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

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

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
https://jira.atlassian.com/browse/CWD-5526	Vendor Advisory
https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/	Exploit Technical Description

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:atlassian:crowd::::::::
	cpe:2.3:a:atlassian:crowd::::::::
	cpe:2.3:a:atlassian:crowd::::::::
	cpe:2.3:a:atlassian:crowd::::::::
	cpe:2.3:a:atlassian:crowd::::::::
	cpe:2.3:a:atlassian:crowd::::::::
	cpe:2.3:a:atlassian:crowd::::::::

History

01 Jan 2022, 19:56

Type	Values Removed	Values Added
References	~~(MISC) https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/ -~~	(MISC) https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/ - Exploit, Technical Description

Information

Published : 2020-02-06 03:15

Updated : 2023-12-10 13:13

NVD link : CVE-2019-20104

Mitre link : CVE-2019-20104

CVE.ORG link : CVE-2019-20104

JSON object : View

Products Affected

atlassian

crowd

CWE

CWE-776

Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

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