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https://issues.apache.org/jira/browse/HBASE-8811?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Purtell updated HBASE-8811:
----------------------------------
Fix Version/s: 0.94.9
0.95.2
0.98.0
> REST service ignores misspelled "check=" parameter, causing unexpected
> mutations
> --------------------------------------------------------------------------------
>
> Key: HBASE-8811
> URL: https://issues.apache.org/jira/browse/HBASE-8811
> Project: HBase
> Issue Type: Bug
> Components: REST
> Affects Versions: 0.95.1
> Reporter: Chip Salzenberg
> Priority: Critical
> Fix For: 0.98.0, 0.95.2, 0.94.9
>
>
> In rest.RowResource.update(), this code keeps executing a request if a
> misspelled check= parameter is provided.
> {noformat}
> if (CHECK_PUT.equalsIgnoreCase(check)) {
> return checkAndPut(model);
> } else if (CHECK_DELETE.equalsIgnoreCase(check)) {
> return checkAndDelete(model);
> } else if (check != null && check.length() > 0) {
> LOG.warn("Unknown check value: " + check + ", ignored");
> }
> {noformat}
> By my reading of the code, this results in the provided cell value that was
> intended as a check instead being treated as a mutation, which is sure to
> destroy user data. Thus the priority of this bug, as it can cause corruption.
> I suggest that a better reaction than a warning would be, approximately:
> {noformat}
> return Response.status(Response.Status.BAD_REQUEST)
> .type(MIMETYPE_TEXT).entity("Invalid check value '" + check + "'")
> .build();
> {noformat}
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