CVE-2020-26290GHSA-2X32-JM95-2CPXGHSA-M9HP-7R99-94H5
Critical security issues in XML encoding in Dex
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 2.27.0, 1.1.0
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
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).
Timeline
- CVE published
- Record last updated
Affected versions
- dexidp dex
fixed in 2.27.0
- github.com/dexidp/dexGo
fixed in 2.27.0
- github.com/russellhaering/goxmldsigGo
fixed in 1.1.0