CVE-2020-29509

Summary

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.

Affected Software

Weaknesses

• CWE-115: CWE-115 Misinterpretation of Input

Workarounds

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

ADP Enrichment

CVE Program Container

Additional References

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

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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