CVE-2020-29509

State: Published
Severity: 9.8 Critical
Published: Dec 14, 2020
Updated: Sep 17, 2024
Reserved: Dec 3, 2020

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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	Mattermost

Weaknesses

CWE-115 Misinterpretation of Input

Affected Products

Product	Versions
GoGolang	All versionsAffected

References

https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-attributes.md
https://security.netapp.com/advisory/ntap-20210129-0006/

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