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

["Douglas Creager (JIRA)" <ji...@apache.org>]

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

Douglas Creager updated AVRO-1237:
----------------------------------

    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

Merged into SVN

> 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-AVRO-1237.-C-Verify-union-discriminant-when-reading-.patch, 0001-Check-union-discriminant-bounds-in-both-directions.patch, 0001-Test-case-for-AVRO-1237.patch, avro-1237-bad-union-discriminant.avro, avro-1237-good.avro
>
>
> 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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