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https://issues.apache.org/jira/browse/DIRAPI-471?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Emmanuel Lécharny closed DIRAPI-471.
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> TLV.getSize() integer overflow bypasses parent length-containment check
> -----------------------------------------------------------------------
>
> Key: DIRAPI-471
> URL: https://issues.apache.org/jira/browse/DIRAPI-471
> Project: Directory Client API
> Issue Type: Bug
> Affects Versions: 2.1.8
> Reporter: Emmanuel Lécharny
> Priority: Minor
> Fix For: 2.1.9
>
>
> With default unbounded _maxPDUSize_, a hostile peer sends a root *SEQUENCE*
> declaring length 16, then a child *TLV* declaring _0x7FFFFFFF_: _getSize()_
> wraps to *-2147483643*, the containment check is bypassed, and the parent's
> _expectedLength_ is rewritten to an overflowed value — the decoder proceeds
> with a structurally impossible *TLV* tree instead of rejecting the *PDU*.
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