From: Armin Kuster <[email protected]> Signed-off-by: Armin Kuster <[email protected]> --- ...VE-2015-7499-2-Detect-incoherency-on-GROW.patch | 43 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 meta/recipes-core/libxml/libxml2/CVE-2015-7499-2-Detect-incoherency-on-GROW.patch
diff --git a/meta/recipes-core/libxml/libxml2/CVE-2015-7499-2-Detect-incoherency-on-GROW.patch b/meta/recipes-core/libxml/libxml2/CVE-2015-7499-2-Detect-incoherency-on-GROW.patch new file mode 100644 index 0000000..aff3920 --- /dev/null +++ b/meta/recipes-core/libxml/libxml2/CVE-2015-7499-2-Detect-incoherency-on-GROW.patch @@ -0,0 +1,43 @@ +From 35bcb1d758ed70aa7b257c9c3b3ff55e54e3d0da Mon Sep 17 00:00:00 2001 +From: Daniel Veillard <[email protected]> +Date: Fri, 20 Nov 2015 15:04:09 +0800 +Subject: [PATCH] Detect incoherency on GROW + +the current pointer to the input has to be between the base and end +if not stop everything we have an internal state error. + +Upstream-Status: Backport + +CVE-2015-7499-2 + +Signed-off-by: Armin Kuster <[email protected]> + +--- + parser.c | 9 ++++++++- + 1 file changed, 8 insertions(+), 1 deletion(-) + +diff --git a/parser.c b/parser.c +index 1810f99..ab007aa 100644 +--- a/parser.c ++++ b/parser.c +@@ -2075,9 +2075,16 @@ static void xmlGROW (xmlParserCtxtPtr ctxt) { + ((ctxt->input->buf) && (ctxt->input->buf->readcallback != (xmlInputReadCallback) xmlNop)) && + ((ctxt->options & XML_PARSE_HUGE) == 0)) { + xmlFatalErr(ctxt, XML_ERR_INTERNAL_ERROR, "Huge input lookup"); +- ctxt->instate = XML_PARSER_EOF; ++ xmlHaltParser(ctxt); ++ return; + } + xmlParserInputGrow(ctxt->input, INPUT_CHUNK); ++ if ((ctxt->input->cur > ctxt->input->end) || ++ (ctxt->input->cur < ctxt->input->base)) { ++ xmlHaltParser(ctxt); ++ xmlFatalErr(ctxt, XML_ERR_INTERNAL_ERROR, "cur index out of bound"); ++ return; ++ } + if ((ctxt->input->cur != NULL) && (*ctxt->input->cur == 0) && + (xmlParserInputGrow(ctxt->input, INPUT_CHUNK) <= 0)) + xmlPopInput(ctxt); +-- +2.3.5 + -- 2.3.5 -- _______________________________________________ Openembedded-core mailing list [email protected] http://lists.openembedded.org/mailman/listinfo/openembedded-core
