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[email protected]CVE-2019-20104

HistoryFeb 06, 2020 - 3:15 a.m.

CVE-2019-20104

2020-02-0603:15:00

CWE-776

[email protected]

web.nvd.nist.gov

atlassian

crowd

openid

dos

xml entity expansion

vulnerability

cve-2019-20104

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

59.4%

JSON

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.

CPENameOperatorVersion
atlassian:crowdatlassian crowdlt4.0.0
atlassian:crowdatlassian crowdlt3.7.1
atlassian:crowdatlassian crowdlt3.2.11
atlassian:crowdatlassian crowdlt3.3.8
atlassian:crowdatlassian crowdlt3.4.7
atlassian:crowdatlassian crowdlt3.5.2
atlassian:crowdatlassian crowdlt3.6.2

CPE	Name	Operator	Version
atlassian:crowd	atlassian crowd	lt	4.0.0
atlassian:crowd	atlassian crowd	lt	3.7.1
atlassian:crowd	atlassian crowd	lt	3.2.11
atlassian:crowd	atlassian crowd	lt	3.3.8
atlassian:crowd	atlassian crowd	lt	3.4.7
atlassian:crowd	atlassian crowd	lt	3.5.2
atlassian:crowd	atlassian crowd	lt	3.6.2

References

jira.atlassian.com/browse/CWD-5526

zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

59.4%

JSON

Related for CVE-2019-20104

atlassian2 prion1 nessus2