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CVE-2015-5312 Another entity expansion issue

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For https://bugzilla.gnome.org/show_bug.cgi?id=756733
It is one case where the code in place to detect entities expansions
failed to exit when the situation was detected, leading to DoS
Problem reported by Kostya Serebryany @ Google
Patch provided by David Drysdale @ Google
This commit is contained in:
David Drysdale 2015-11-20 11:13:45 +08:00 committed by Daniel Veillard
parent 6360a31a84
commit 69030714cd
1 changed files with 4 additions and 0 deletions
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4
parser.c
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@ -2806,6 +2806,10 @@ xmlStringLenDecodeEntities(xmlParserCtxtPtr ctxt, const xmlChar *str, int len,
0, 0, 0);
ctxt->depth--;
if ((ctxt->lastError.code == XML_ERR_ENTITY_LOOP) ||
(ctxt->lastError.code == XML_ERR_INTERNAL_ERROR))
goto int_error;
if (rep != NULL) {
current = rep;
while (*current != 0) { /* non input consuming loop */