Mercurial > hg > orthanc
view OrthancFramework/Resources/Patches/dcmtk-3.6.0-dulparse-vulnerability.patch @ 5930:6530bc38782f
cppcheck
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Mon, 16 Dec 2024 17:04:35 +0100 |
parents | d25f4c0fa160 |
children |
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diff -urEb dcmtk-3.6.0.orig/dcmnet/libsrc/dulparse.cc dcmtk-3.6.0/dcmnet/libsrc/dulparse.cc --- dcmtk-3.6.0.orig/dcmnet/libsrc/dulparse.cc 2010-12-01 09:26:36.000000000 +0100 +++ dcmtk-3.6.0/dcmnet/libsrc/dulparse.cc 2016-12-02 15:58:49.930540033 +0100 @@ -393,6 +393,8 @@ return cond; buf += length; + if (presentationLength < length) + return EC_MemoryExhausted; presentationLength -= length; DCMNET_TRACE("Successfully parsed Abstract Syntax"); break; @@ -404,12 +406,16 @@ cond = LST_Enqueue(&context->transferSyntaxList, (LST_NODE*)subItem); if (cond.bad()) return cond; buf += length; + if (presentationLength < length) + return EC_MemoryExhausted; presentationLength -= length; DCMNET_TRACE("Successfully parsed Transfer Syntax"); break; default: cond = parseDummy(buf, &length, presentationLength); buf += length; + if (presentationLength < length) + return EC_MemoryExhausted; presentationLength -= length; break; }