diff options
Diffstat (limited to 'poky/meta/recipes-core/libxml/libxml2/fix-CVE-2017-8872.patch')
| -rw-r--r-- | poky/meta/recipes-core/libxml/libxml2/fix-CVE-2017-8872.patch | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/poky/meta/recipes-core/libxml/libxml2/fix-CVE-2017-8872.patch b/poky/meta/recipes-core/libxml/libxml2/fix-CVE-2017-8872.patch new file mode 100644 index 000000000..42a4b0ed6 --- /dev/null +++ b/poky/meta/recipes-core/libxml/libxml2/fix-CVE-2017-8872.patch @@ -0,0 +1,65 @@ +Upstream-Status: Backport +CVE: CVE-2017-8872 +Signed-off-by: Ross Burton <ross.burton@intel.com> + +From 123234f2cfcd9e9b9f83047eee1dc17b4c3f4407 Mon Sep 17 00:00:00 2001 +From: Nick Wellnhofer <wellnhofer@aevum.de> +Date: Tue, 11 Sep 2018 14:52:07 +0200 +Subject: [PATCH] Free input buffer in xmlHaltParser + +This avoids miscalculation of available bytes. + +Thanks to Yunho Kim for the report. + +Closes: #26 +--- + parser.c | 5 +++++ + result/errors/759573.xml.err | 17 +++++++---------- + 2 files changed, 12 insertions(+), 10 deletions(-) + +diff --git a/parser.c b/parser.c +index ca9fde2c..5813a664 100644 +--- a/parser.c ++++ b/parser.c +@@ -12462,7 +12462,12 @@ xmlHaltParser(xmlParserCtxtPtr ctxt) { + ctxt->input->free((xmlChar *) ctxt->input->base); + ctxt->input->free = NULL; + } ++ if (ctxt->input->buf != NULL) { ++ xmlFreeParserInputBuffer(ctxt->input->buf); ++ ctxt->input->buf = NULL; ++ } + ctxt->input->cur = BAD_CAST""; ++ ctxt->input->length = 0; + ctxt->input->base = ctxt->input->cur; + ctxt->input->end = ctxt->input->cur; + } +diff --git a/result/errors/759573.xml.err b/result/errors/759573.xml.err +index 554039f6..38ef5c40 100644 +--- a/result/errors/759573.xml.err ++++ b/result/errors/759573.xml.err +@@ -21,14 +21,11 @@ Entity: line 1: + ^ + ./test/errors/759573.xml:1: parser error : internal error: xmlParseInternalSubset: error detected in Markup declaration + +-<?h?><!DOCTYPEt[<!ELEMENT t (A)><!ENTITY % xx '%<