diff options
Diffstat (limited to 'meta/recipes-devtools/go/go-1.14/CVE-2023-29400.patch')
| -rw-r--r-- | meta/recipes-devtools/go/go-1.14/CVE-2023-29400.patch | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/meta/recipes-devtools/go/go-1.14/CVE-2023-29400.patch b/meta/recipes-devtools/go/go-1.14/CVE-2023-29400.patch new file mode 100644 index 0000000000..092c7aa0ff --- /dev/null +++ b/meta/recipes-devtools/go/go-1.14/CVE-2023-29400.patch @@ -0,0 +1,94 @@ +From 0d347544cbca0f42b160424f6bc2458ebcc7b3fc Mon Sep 17 00:00:00 2001 +From: Roland Shoemaker <bracewell@google.com> +Date: Thu, 13 Apr 2023 14:01:50 -0700 +Subject: [PATCH] html/template: emit filterFailsafe for empty unquoted attr + value + +An unquoted action used as an attribute value can result in unsafe +behavior if it is empty, as HTML normalization will result in unexpected +attributes, and may allow attribute injection. If executing a template +results in a empty unquoted attribute value, emit filterFailsafe +instead. + +Thanks to Juho Nurminen of Mattermost for reporting this issue. + +Fixes #59722 +Fixes CVE-2023-29400 + +Change-Id: Ia38d1b536ae2b4af5323a6c6d861e3c057c2570a +Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1826631 +Reviewed-by: Julie Qiu <julieqiu@google.com> +Run-TryBot: Roland Shoemaker <bracewell@google.com> +Reviewed-by: Damien Neil <dneil@google.com> +Reviewed-on: https://go-review.googlesource.com/c/go/+/491617 +Run-TryBot: Carlos Amedee <carlos@golang.org> +Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org> +Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> +TryBot-Result: Gopher Robot <gobot@golang.org> + +Upstream-Status: Backport from [https://github.com/golang/go/commit/0d347544cbca0f42b160424f6bc2458ebcc7b3fc] +CVE: CVE-2023-29400 +Signed-off-by: Ashish Sharma <asharma@mvista.com> +--- + src/html/template/escape.go | 5 ++--- + src/html/template/escape_test.go | 15 +++++++++++++++ + src/html/template/html.go | 3 +++ + 3 files changed, 20 insertions(+), 3 deletions(-) + +diff --git a/src/html/template/escape.go b/src/html/template/escape.go +index 4ba1d6b31897e..a62ef159f0dcd 100644 +--- a/src/html/template/escape.go ++++ b/src/html/template/escape.go +@@ -382,9 +382,8 @@ func normalizeEscFn(e string) string { + // for all x. + var redundantFuncs = map[string]map[string]bool{ + "_html_template_commentescaper": { +- "_html_template_attrescaper": true, +- "_html_template_nospaceescaper": true, +- "_html_template_htmlescaper": true, ++ "_html_template_attrescaper": true, ++ "_html_template_htmlescaper": true, + }, + "_html_template_cssescaper": { + "_html_template_attrescaper": true, +diff --git a/src/html/template/escape_test.go b/src/html/template/escape_test.go +index 3dd212bac9406..f8b2b448f2dfa 100644 +--- a/src/html/template/escape_test.go ++++ b/src/html/template/escape_test.go +@@ -678,6 +678,21 @@ func TestEscape(t *testing.T) { + `<img srcset={{",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,"}}>`, + `<img srcset=,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,>`, + }, ++ { ++ "unquoted empty attribute value (plaintext)", ++ "<p name={{.U}}>", ++ "<p name=ZgotmplZ>", ++ }, ++ { ++ "unquoted empty attribute value (url)", ++ "<p href={{.U}}>", ++ "<p href=ZgotmplZ>", ++ }, ++ { ++ "quoted empty attribute value", ++ "<p name=\"{{.U}}\">", ++ "<p name=\"\">", ++ }, + } + + for _, test := range tests { +diff --git a/src/html/template/html.go b/src/html/template/html.go +index bcca0b51a0ef9..a181699a5bda8 100644 +--- a/src/html/template/html.go ++++ b/src/html/template/html.go +@@ -14,6 +14,9 @@ import ( + // htmlNospaceEscaper escapes for inclusion in unquoted attribute values. + func htmlNospaceEscaper(args ...interface{}) string { + s, t := stringify(args...) ++ if s == "" { ++ return filterFailsafe ++ } + if t == contentTypeHTML { + return htmlReplacer(stripTags(s), htmlNospaceNormReplacementTable, false) + } + |