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Posted to dev@avro.apache.org by "Michael Cooper (JIRA)" <ji...@apache.org> on 2013/02/01 06:39:12 UTC

[jira] [Updated] (AVRO-1237) Avro-C segfaults when union discriminant out of bounds

     [ https://issues.apache.org/jira/browse/AVRO-1237?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Cooper updated AVRO-1237:
---------------------------------

    Status: Patch Available  (was: Open)
    
> Avro-C segfaults when union discriminant out of bounds
> ------------------------------------------------------
>
>                 Key: AVRO-1237
>                 URL: https://issues.apache.org/jira/browse/AVRO-1237
>             Project: Avro
>          Issue Type: Bug
>          Components: c
>         Environment: Avro-C 1.7.2
> Ubuntu 12.04 x86_64
>            Reporter: Michael Cooper
>         Attachments: 0001-Check-union-discriminant-bounds-in-both-directions.patch
>
>
> libavro will segfault when decrypting a specially crafted (or corrupted) avro file when the discriminant is out of bounds.
> There is already a check for < 0, but there is no upper bounds check.
> I have attached a patch that checks the bounds.

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