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GitHub Advisory DatabaseGHSA-QPXP-5J56-GG3X

HistoryJul 31, 2019 - 4:22 a.m.

samlr XML nodes comment attack

2019-07-3104:22:03

CWE-20

GitHub Advisory Database

github.com

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

0.001 Low

EPSS

Percentile

35.9%

JSON

Zendesk Samlr before 2.6.2 allows an XML nodes comment attack such as a name_id node with [email protected] followed by ``. and then the attacker’s domain name.

Affected configurations

Vulners

Node

zendesksamlrRange<2.6.2

CPENameOperatorVersion
samlrlt2.6.2

CPE	Name	Operator	Version
	samlr	lt	2.6.2

References

github.com/advisories/GHSA-qpxp-5j56-gg3x

github.com/rubysec/ruby-advisory-db/blob/master/gems/samlr/CVE-2018-20857.yml

github.com/zendesk/samlr/compare/v2.6.1...v2.6.2

github.com/zendesk/samlr/pull/29

nvd.nist.gov/vuln/detail/CVE-2018-20857

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

0.001 Low

EPSS

Percentile

35.9%

JSON

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