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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
NVD MITRE
EPSS Score
1.0%
Top 41.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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

AV:NAC:LPR:NUI:RS:CC:HI:HA:N
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

Go
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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