From efdde49177047907242948fcc5f7f37cb1e7f541 Mon Sep 17 00:00:00 2001 From: Anuj Mittal Date: Thu, 25 Jul 2019 12:02:59 +0800 Subject: libxslt: fix CVE-2019-13117 CVE-2019-13118 (From OE-Core rev: 7dc3048fec88dd62ef49ef16517b7382ab7cf2a5) Signed-off-by: Anuj Mittal Signed-off-by: Richard Purdie Signed-off-by: Armin Kuster --- .../libxslt/files/CVE-2019-13117.patch | 33 ++++++++++ .../libxslt/files/CVE-2019-13118.patch | 76 ++++++++++++++++++++++ meta/recipes-support/libxslt/libxslt_1.1.33.bb | 2 + 3 files changed, 111 insertions(+) create mode 100644 meta/recipes-support/libxslt/files/CVE-2019-13117.patch create mode 100644 meta/recipes-support/libxslt/files/CVE-2019-13118.patch diff --git a/meta/recipes-support/libxslt/files/CVE-2019-13117.patch b/meta/recipes-support/libxslt/files/CVE-2019-13117.patch new file mode 100644 index 0000000000..ef3f2709f7 --- /dev/null +++ b/meta/recipes-support/libxslt/files/CVE-2019-13117.patch @@ -0,0 +1,33 @@ +From c5eb6cf3aba0af048596106ed839b4ae17ecbcb1 Mon Sep 17 00:00:00 2001 +From: Nick Wellnhofer +Date: Sat, 27 Apr 2019 11:19:48 +0200 +Subject: [PATCH] Fix uninitialized read of xsl:number token + +Found by OSS-Fuzz. + +CVE: CVE-2019-13117 +Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/libxslt/commit/c5eb6cf3aba0af048596106ed839b4ae17ecbcb1] +Signed-off-by: Anuj Mittal +--- + libxslt/numbers.c | 5 ++++- + 1 file changed, 4 insertions(+), 1 deletion(-) + +diff --git a/libxslt/numbers.c b/libxslt/numbers.c +index 89e1f668..75c31eba 100644 +--- a/libxslt/numbers.c ++++ b/libxslt/numbers.c +@@ -382,7 +382,10 @@ xsltNumberFormatTokenize(const xmlChar *format, + tokens->tokens[tokens->nTokens].token = val - 1; + ix += len; + val = xmlStringCurrentChar(NULL, format+ix, &len); +- } ++ } else { ++ tokens->tokens[tokens->nTokens].token = (xmlChar)'0'; ++ tokens->tokens[tokens->nTokens].width = 1; ++ } + } else if ( (val == (xmlChar)'A') || + (val == (xmlChar)'a') || + (val == (xmlChar)'I') || +-- +2.21.0 + diff --git a/meta/recipes-support/libxslt/files/CVE-2019-13118.patch b/meta/recipes-support/libxslt/files/CVE-2019-13118.patch new file mode 100644 index 0000000000..595e6c2f33 --- /dev/null +++ b/meta/recipes-support/libxslt/files/CVE-2019-13118.patch @@ -0,0 +1,76 @@ +From 6ce8de69330783977dd14f6569419489875fb71b Mon Sep 17 00:00:00 2001 +From: Nick Wellnhofer +Date: Mon, 3 Jun 2019 13:14:45 +0200 +Subject: [PATCH] Fix uninitialized read with UTF-8 grouping chars + +The character type in xsltFormatNumberConversion was too narrow and +an invalid character/length combination could be passed to +xsltNumberFormatDecimal, resulting in an uninitialized read. + +Found by OSS-Fuzz. + +CVE: CVE-2019-13118 +Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/libxslt/commit/6ce8de69330783977dd14f6569419489875fb71b] +Signed-off-by: Anuj Mittal + +--- + libxslt/numbers.c | 5 +++-- + tests/docs/bug-222.xml | 1 + + tests/general/bug-222.out | 2 ++ + tests/general/bug-222.xsl | 6 ++++++ + 4 files changed, 12 insertions(+), 2 deletions(-) + create mode 100644 tests/docs/bug-222.xml + create mode 100644 tests/general/bug-222.out + create mode 100644 tests/general/bug-222.xsl + +diff --git a/libxslt/numbers.c b/libxslt/numbers.c +index f1ed8846..20b99d5a 100644 +--- a/libxslt/numbers.c ++++ b/libxslt/numbers.c +@@ -1298,13 +1298,14 @@ OUTPUT_NUMBER: + number = floor((scale * number + 0.5)) / scale; + if ((self->grouping != NULL) && + (self->grouping[0] != 0)) { ++ int gchar; + + len = xmlStrlen(self->grouping); +- pchar = xsltGetUTF8Char(self->grouping, &len); ++ gchar = xsltGetUTF8Char(self->grouping, &len); + xsltNumberFormatDecimal(buffer, floor(number), self->zeroDigit[0], + format_info.integer_digits, + format_info.group, +- pchar, len); ++ gchar, len); + } else + xsltNumberFormatDecimal(buffer, floor(number), self->zeroDigit[0], + format_info.integer_digits, +diff --git a/tests/docs/bug-222.xml b/tests/docs/bug-222.xml +new file mode 100644 +index 00000000..69d62f2c +--- /dev/null ++++ b/tests/docs/bug-222.xml +@@ -0,0 +1 @@ ++ +diff --git a/tests/general/bug-222.out b/tests/general/bug-222.out +new file mode 100644 +index 00000000..e3139698 +--- /dev/null ++++ b/tests/general/bug-222.out +@@ -0,0 +1,2 @@ ++ ++1⠢0 +diff --git a/tests/general/bug-222.xsl b/tests/general/bug-222.xsl +new file mode 100644 +index 00000000..e32dc473 +--- /dev/null ++++ b/tests/general/bug-222.xsl +@@ -0,0 +1,6 @@ ++ ++ ++ ++ ++ ++ +-- +2.21.0 + diff --git a/meta/recipes-support/libxslt/libxslt_1.1.33.bb b/meta/recipes-support/libxslt/libxslt_1.1.33.bb index 42b21c7bca..92d3099fd8 100644 --- a/meta/recipes-support/libxslt/libxslt_1.1.33.bb +++ b/meta/recipes-support/libxslt/libxslt_1.1.33.bb @@ -10,6 +10,8 @@ DEPENDS = "libxml2" SRC_URI = "http://xmlsoft.org/sources/libxslt-${PV}.tar.gz \ file://0001-Fix-security-framework-bypass.patch \ + file://CVE-2019-13117.patch \ + file://CVE-2019-13118.patch \ " SRC_URI[md5sum] = "b3bd254a03e46d58f8ad1e4559cd2c2f" -- cgit 1.2.3-korg