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Red Hat Bugzilla – Attachment 844423 Details for
Bug 998941
CVE-2014-0791 freerdp: integer overflow in heap allocation in license_read_scope_list()
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[patch]
Possible patch
patch (text/plain), 773 bytes, created by
Huzaifa S. Sidhpurwala
on 2014-01-02 08:55:29 UTC
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Description:
Possible patch
Filename:
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Creator:
Huzaifa S. Sidhpurwala
Created:
2014-01-02 08:55:29 UTC
Size:
773 bytes
patch
obsolete
>commit 89653810adaff455c3eb263dc30d60d3d3caded1 >Author: Huzaifa Sidhpurwala <huzaifas@redhat.com> >Date: Thu Jan 2 14:28:04 2014 +0530 > > Fix possible integer overflow in license_read_scope_list() > >diff --git a/libfreerdp/core/license.c b/libfreerdp/core/license.c >index e26e5e0..d5b5d33 100644 >--- a/libfreerdp/core/license.c >+++ b/libfreerdp/core/license.c >@@ -670,6 +670,9 @@ BOOL license_read_scope_list(wStream* s, SCOPE_LIST* scopeList) > > Stream_Read_UINT32(s, scopeCount); /* ScopeCount (4 bytes) */ > >+ if (Stream_GetRemainingLength(s) / sizeof(LICENSE_BLOB) < scopeCount) >+ return FALSE; /* Avoid overflow in malloc */ >+ > scopeList->count = scopeCount; > scopeList->array = (LICENSE_BLOB*) malloc(sizeof(LICENSE_BLOB) * scopeCount); >
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