CVE-2021-41110

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Summary

CVECVE-2021-41110
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-10-01 13:15:00 UTC
Updated2021-10-08 16:21:00 UTC
Descriptioncwlviewer is a web application to view and share Common Workflow Language workflows. Versions prior to 1.3.1 contain a Deserialization of Untrusted Data vulnerability. Commit number f6066f09edb70033a2ce80200e9fa9e70a5c29de (dated 2021-09-30) contains a patch. There are no available workarounds aside from installing the patch. The SnakeYaml constructor, by default, allows any data to be parsed. To fix the issue the object needs to be created with a `SafeConstructor` object, as seen in the patch.

Risk And Classification

Problem Types: CWE-502

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Commonwl Cwlviewer All All All All

References

ReferenceSourceLinkTags
CWL Viewer: deserialization of untrusted data can lead to complete takeover by an attacker · Advisory · common-workflow-language/cwlviewer · GitHub CONFIRM github.com
Analysis of the SnakeYaml deserialization in Java Security MISC www.fatalerrors.org
Use Yaml SafeConstructor (#355) · common-workflow-language/cwlviewer@f6066f0 · GitHub MISC github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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