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  1. Nuxeo Enhanced Viewer
  2. NEV-84

[Arender] The request to create an annotation in Nuxeo from Arender is blocked by WAF because of XSS issues

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Blocker
    • Resolution: Won't Fix
    • Affects Version/s: None
    • Fix Version/s: 1.0.2
    • Component/s: Nuxeo Connector

      Description

      The POST request for : /nuxeo/api/v1/repo/default/id/da430f99-803e-4458-9930-2cfadf2a44fa/@annotation is blocked by the basic XSS Rule

      {"timestamp":1537031619336,"formatVersion":1,"webaclId":"c3f25c4d-c27a-49f1-88ee-d1c89cf7ed34","terminatingRuleId":"845d8050-6789-4178-971a-59d097de3033","terminatingRuleType":"REGULAR","action":"BLOCK","httpSourceName":"CF","httpSourceId":"E1W5XNI8Y3L502","ruleGroupList":[],"rateBasedRuleList":[{"rateBasedRuleId":"24776fdc-c115-47fa-b737-e4a53bb08ee7","limitKey":"IP","maxRateAllowed":2000}],"nonTerminatingMatchingRules":[],"httpRequest":{"clientIp":"18.210.99.30","country":"US","headers":[{"name":"Host","value":"nbm-staging.nuxeo.io"},{"name":"Content-Length","value":"824"},{"name":"X-Authentication-Token","value":"f114bafc-fe3f-4c06-b726-c531fbec9ff9"},{"name":"User-Agent","value":"okhttp/3.1.1 NuxeoJavaClient/3.1.0"},{"name":"Content-Type","value":"application/json; charset=UTF-8"},{"name":"Accept-Encoding","value":"gzip"}],"uri":"/nuxeo/api/v1/repo/default/id/da430f99-803e-4458-9930-2cfadf2a44fa/@annotation","args":"","httpVersion":"HTTP/1.1","httpMethod":"POST","requestId":"k9w0rSGInaAY7VRyCVRP2MpoA_1S7Oh5w92KlK1wKjag-pzWllkx-Q=="}}
      

      The rule is testing for following:

      Body contains a cross-site scripting threat after decoding as URL.
      Query string contains a cross-site scripting threat after decoding as HTML tags.
      Body contains a cross-site scripting threat after decoding as HTML tags.
      URI contains a cross-site scripting threat after decoding as HTML tags.
      Header 'cookie' contains a cross-site scripting threat after decoding as HTML tags.
      Query string contains a cross-site scripting threat after decoding as URL.
      URI contains a cross-site scripting threat after decoding as URL.
      Header 'cookie' contains a cross-site scripting threat after decoding as URL.

      Looks like this happens because we sent the serialized arender entity back to Nuxeo:

      {
       ...,
       "entity": "<xml>...</xml>"
      }
      

      and the xml is not escaped .

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                Updated:
                Resolved:

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