CVE-2020-26290

Critical security issues in XML encoding in Dex

Published: Dec 28, 2020Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-347

9.3CRITICAL

Description

Dex is a federated OpenID Connect provider written in Go. In Dex before version 2.27.0 there is a critical set of vulnerabilities which impacts users leveraging the SAML connector. The vulnerabilities enables potential signature bypass due to issues with XML encoding in the underlying Go library. The vulnerabilities have been addressed in version 2.27.0 by using the xml-roundtrip-validator from Mattermost (see related references).

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:RUser Interaction

Required

Scope

S:CScope

Changed

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:NAvailability

None

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Weaknesses

CWE-347

Affected Products

package-ecosystem

github.com/dexidp/dex

OSS Libraries

github.com/russellhaering/goxmldsig

OSS Libraries

linuxfoundation

oss-project·USaka pytorch, everest, yocto

dexLibraryLibrary

AI / ML

dexidp

commercial

dexOn-prem

Security Products / identity-access-mgmt

Exploitability

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Collection

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References

https://github.com/dexidp/dex/commit/324b1c886b407594196113a3dbddebe38eecd4e8

github.com

https://github.com/dexidp/dex/releases/tag/v2.27.0

github.com

https://github.com/dexidp/dex/security/advisories/GHSA-m9hp-7r99-94h5

github.com

and 9 more references View all →

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