[jira] [Assigned] (ORC-403) Should check PostScript length before serializing it

["Quanlong Huang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ORC-403?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Quanlong Huang reassigned ORC-403:
----------------------------------


> Should check PostScript length before serializing it
> ----------------------------------------------------
>
>                 Key: ORC-403
>                 URL: https://issues.apache.org/jira/browse/ORC-403
>             Project: ORC
>          Issue Type: Bug
>          Components: C++
>            Reporter: Quanlong Huang
>            Assignee: Quanlong Huang
>            Priority: Major
>
> A malformed ORC file may have a postscript length larger than the file size, which causes orc:: readPostscript to read unexpected data.
> {code}
>     std::unique_ptr<proto::PostScript> postscript =
>       std::unique_ptr<proto::PostScript>(new proto::PostScript());
>     if (!postscript->ParseFromArray(ptr + readSize - 1 - postscriptSize,
>                                    static_cast<int>(postscriptSize))) {
>       throw ParseError("Failed to parse the postscript from " +
>                        stream->getName());
>     }
> {code}
> We should make sure readSize - 1 - postscriptSize >= 0.



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)