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home:Alexander_Naumov:SLE-12:Update
podofo.35912
r1963-Fix-heap-based-buffer-overflow-vulnerabil...
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File r1963-Fix-heap-based-buffer-overflow-vulnerability-in-PoDoFo-PdfVariant-DelayedLoad.patch of Package podofo.35912
------------------------------------------------------------------------ r1963 | mabri | 2019-02-03 01:00:23 +0100 (dom 03 de feb de 2019) | 1 línea Fix (security) issue #39 Index: src/doc/PdfNamesTree.cpp =================================================================== --- src/doc/PdfNamesTree.cpp (revisión: 1962) +++ src/doc/PdfNamesTree.cpp (revisión: 1963) @@ -504,7 +504,17 @@ // convert all strings into names PdfName name( (*it).GetString().GetString() ); ++it; - rDict.AddKey( name, *(it) ); + // fixes (security) issue #39 in PoDoFo's tracker (sourceforge.net) + if ( it == names.end() ) + { + PdfError::LogMessage( eLogSeverity_Warning, + "No reference in /Names array last element in " + "object %lu %lu, possible\nexploit attempt!\n", + pObj->Reference().ObjectNumber(), + pObj->Reference().GenerationNumber() ); + break; + } + rDict.AddKey( name, (*it) ); ++it; } ------------------------------------------------------------------------
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