CVE-2020-10591: Exposure of Sensitive Information to an Unauthorized Actor in Concord

February 10, 2022

An issue was discovered in Walmart Labs Concord CORS Access-Control-Allow-Origin headers have a potentially unsafe dependency on Origin headers, and are not configurable. This allows remote attackers to discover host information, nodes, API metadata, and references to usernames via api/v1/apikey.

References

github.com/advisories/GHSA-6566-9526-52v6
github.com/walmartlabs/concord/compare/1.43.0...1.44.0
github.com/walmartlabs/concord/issues/22
nvd.nist.gov/vuln/detail/CVE-2020-10591

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