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authorGustavo Zacarias <gustavo@zacarias.com.ar>2012-03-02 15:00:34 (GMT)
committer Peter Korsgaard <jacmet@sunsite.dk>2012-03-11 21:54:32 (GMT)
commit584dbc2f0a30bb4011d5e14a69ba3bba99b89613 (patch)
tree4934323641beffb878c0bac1781617e3bb3b2aed
parent9ae23e391146914b3ae29294210e15d7be0e7b61 (diff)
downloadbuildroot-584dbc2f0a30bb4011d5e14a69ba3bba99b89613.tar.gz
buildroot-584dbc2f0a30bb4011d5e14a69ba3bba99b89613.tar.bz2
libxslt: add multiple security patches
Add security patches for CVE-2011-1202 and CVE-2011-3970. Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
-rw-r--r--package/libxslt/libxslt-1.1.26-configure.patch (renamed from package/libxslt/libxslt-configure.patch)0
-rw-r--r--package/libxslt/libxslt-1.1.26-id-generation.patch56
-rw-r--r--package/libxslt/libxslt-1.1.26-pattern-out-of-bounds-read.patch27
3 files changed, 83 insertions, 0 deletions
diff --git a/package/libxslt/libxslt-configure.patch b/package/libxslt/libxslt-1.1.26-configure.patch
index aae2e9e..aae2e9e 100644
--- a/package/libxslt/libxslt-configure.patch
+++ b/package/libxslt/libxslt-1.1.26-configure.patch
diff --git a/package/libxslt/libxslt-1.1.26-id-generation.patch b/package/libxslt/libxslt-1.1.26-id-generation.patch
new file mode 100644
index 0000000..f8f4c2a
--- /dev/null
+++ b/package/libxslt/libxslt-1.1.26-id-generation.patch
@@ -0,0 +1,56 @@
+From ecb6bcb8d1b7e44842edde3929f412d46b40c89f Mon Sep 17 00:00:00 2001
+From: Daniel Veillard <veillard@redhat.com>
+Date: Tue, 22 Feb 2011 02:14:23 +0000
+Subject: Fix generate-id() to not expose object addresses
+
+As pointed out by Chris Evans <scarybeasts@gmail.com> it's better
+security wise to not expose object addresses directly, use a diff
+w.r.t. the document root own address to avoid this
+* libxslt/functions.c: fix IDs generation code
+---
+diff --git a/libxslt/functions.c b/libxslt/functions.c
+index 4720c7a..de962f4 100644
+--- a/libxslt/functions.c
++++ b/libxslt/functions.c
+@@ -654,8 +654,9 @@ xsltFormatNumberFunction(xmlXPathParserContextPtr ctxt, int nargs)
+ void
+ xsltGenerateIdFunction(xmlXPathParserContextPtr ctxt, int nargs){
+ xmlNodePtr cur = NULL;
+- unsigned long val;
+- xmlChar str[20];
++ long val;
++ xmlChar str[30];
++ xmlDocPtr doc;
+
+ if (nargs == 0) {
+ cur = ctxt->context->node;
+@@ -694,9 +695,24 @@ xsltGenerateIdFunction(xmlXPathParserContextPtr ctxt, int nargs){
+ * Okay this is ugly but should work, use the NodePtr address
+ * to forge the ID
+ */
+- val = (unsigned long)((char *)cur - (char *)0);
+- val /= sizeof(xmlNode);
+- sprintf((char *)str, "id%ld", val);
++ if (cur->type != XML_NAMESPACE_DECL)
++ doc = cur->doc;
++ else {
++ xmlNsPtr ns = (xmlNsPtr) cur;
++
++ if (ns->context != NULL)
++ doc = ns->context;
++ else
++ doc = ctxt->context->doc;
++
++ }
++
++ val = (long)((char *)cur - (char *)doc);
++ if (val >= 0) {
++ sprintf((char *)str, "idp%ld", val);
++ } else {
++ sprintf((char *)str, "idm%ld", -val);
++ }
+ valuePush(ctxt, xmlXPathNewString(str));
+ }
+
+--
+cgit v0.8.3.4
diff --git a/package/libxslt/libxslt-1.1.26-pattern-out-of-bounds-read.patch b/package/libxslt/libxslt-1.1.26-pattern-out-of-bounds-read.patch
new file mode 100644
index 0000000..cd2e292
--- /dev/null
+++ b/package/libxslt/libxslt-1.1.26-pattern-out-of-bounds-read.patch
@@ -0,0 +1,27 @@
+From fe5a4fa33eb85bce3253ed3742b1ea6c4b59b41b Mon Sep 17 00:00:00 2001
+From: Abhishek Arya <inferno@chromium.org>
+Date: Sun, 22 Jan 2012 17:47:50 +0800
+Subject: [PATCH] Fix some case of pattern parsing errors
+
+We could accidentally hit an off by one string array access
+due to improper loop exit when parsing patterns
+---
+ libxslt/pattern.c | 2 ++
+ 1 files changed, 2 insertions(+), 0 deletions(-)
+
+diff --git a/libxslt/pattern.c b/libxslt/pattern.c
+index 6161376..1155b54 100644
+--- a/libxslt/pattern.c
++++ b/libxslt/pattern.c
+@@ -1867,6 +1867,8 @@ xsltCompilePatternInternal(const xmlChar *pattern, xmlDocPtr doc,
+ while ((pattern[end] != 0) && (pattern[end] != '"'))
+ end++;
+ }
++ if (pattern[end] == 0)
++ break;
+ end++;
+ }
+ if (current == end) {
+--
+1.7.8.4
+