Description
The encoding/xml package in Go (all versions) does not correctly preserve the semantics of element 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-2020-21878 The encoding/xml package in Go (all versions) does not correctly preserve the semantics of element 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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: Mattermost

Published:

Updated: 2024-09-17T04:09:22.123Z

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

Link: CVE-2020-29511

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-12-14T20:15:13.280

Modified: 2024-11-21T05:24:09.177

Link: CVE-2020-29511

cve-icon Redhat

Severity : Low

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

Links: CVE-2020-29511 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses