Description
The encoding/xml package in Go (all versions) does not correctly preserve the semantics of attribute namespace prefixes during tokenization round-trips, which allows an attacker to craft inputs that behave in conflicting ways during different stages of processing in affected downstream applications.
Published: 2020-12-14
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

Vendor Workaround

Untrusted markup in affected applications can be validated using the github.com/mattermost/xml-roundtrip-validator module.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2022-1254 The encoding/xml package in Go (all versions) does not correctly preserve the semantics of attribute namespace prefixes during tokenization round-trips, which allows an attacker to craft inputs that behave in conflicting ways during different stages of processing in affected downstream applications.
Github GHSA Github GHSA GHSA-xhqq-x44f-9fgg Authentication Bypass in github.com/russellhaering/gosaml2
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: Mattermost

Published:

Updated: 2024-09-17T03:43:39.703Z

Reserved: 2020-12-03T00:00:00.000Z

Link: CVE-2020-29509

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-12-14T20:15:13.060

Modified: 2024-11-21T05:24:08.877

Link: CVE-2020-29509

cve-icon Redhat

Severity : Low

Publid Date: 2020-12-14T00:00:00Z

Links: CVE-2020-29509 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses