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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PROTON-1979) Decoding a bad message can overflow the stack
Date Tue, 11 Dec 2018 20:09:00 GMT

    [ https://issues.apache.org/jira/browse/PROTON-1979?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16717902#comment-16717902
] 

ASF subversion and git services commented on PROTON-1979:
---------------------------------------------------------

Commit 203ffed56811e32839fded56c00d4f07438f7269 in qpid-proton's branch refs/heads/master
from [~astitcher]
[ https://git-wip-us.apache.org/repos/asf?p=qpid-proton.git;h=203ffed ]

PROTON-1979: [c] Only allow scalars (non compound types) as descriptors


> Decoding a bad message can overflow the stack
> ---------------------------------------------
>
>                 Key: PROTON-1979
>                 URL: https://issues.apache.org/jira/browse/PROTON-1979
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: proton-c
>            Reporter: Andrew Stitcher
>            Assignee: Andrew Stitcher
>            Priority: Major
>              Labels: fuzzer
>             Fix For: proton-c-0.27.0
>
>
> Found by oss-fuzz: [https://oss-fuzz.com/testcase?key=5920119225057280]
> A message with a described type whose descriptor is an array containing described types
of an array containing described types of... can cause enough stack use to overflow the process
stack.
> The message is quite long (and essentially meaningless) but none the less syntactically
valid.



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