diff options
Diffstat (limited to 'meta/recipes-devtools/go/go-1.14/CVE-2023-24539.patch')
| -rw-r--r-- | meta/recipes-devtools/go/go-1.14/CVE-2023-24539.patch | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/meta/recipes-devtools/go/go-1.14/CVE-2023-24539.patch b/meta/recipes-devtools/go/go-1.14/CVE-2023-24539.patch new file mode 100644 index 0000000000..281b6486a8 --- /dev/null +++ b/meta/recipes-devtools/go/go-1.14/CVE-2023-24539.patch @@ -0,0 +1,60 @@ +From 8673ca81e5340b87709db2d9749c92a3bf925df1 Mon Sep 17 00:00:00 2001 +From: Roland Shoemaker <bracewell@google.com> +Date: Thu, 13 Apr 2023 15:40:44 -0700 +Subject: [PATCH] html/template: disallow angle brackets in CSS values + +Angle brackets should not appear in CSS contexts, as they may affect +token boundaries (such as closing a <style> tag, resulting in +injection). Instead emit filterFailsafe, matching the behavior for other +dangerous characters. + +Thanks to Juho Nurminen of Mattermost for reporting this issue. + +Fixes #59720 +Fixes CVE-2023-24539 + +Change-Id: Iccc659c9a18415992b0c05c178792228e3a7bae4 +Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1826636 +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/+/491615 +Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org> +Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> +Run-TryBot: Carlos Amedee <carlos@golang.org> +TryBot-Result: Gopher Robot <gobot@golang.org> + +Upstream-Status: Backport from [https://github.com/golang/go/commit/8673ca81e5340b87709db2d9749c92a3bf925df1] +CVE: CVE-2023-24539 +Signed-off-by: Ashish Sharma <asharma@mvista.com> +--- + src/html/template/css.go | 2 +- + src/html/template/css_test.go | 2 ++ + 2 files changed, 3 insertions(+), 1 deletion(-) + +diff --git a/src/html/template/css.go b/src/html/template/css.go +index 890a0c6b227fe..f650d8b3e843a 100644 +--- a/src/html/template/css.go ++++ b/src/html/template/css.go +@@ -238,7 +238,7 @@ func cssValueFilter(args ...any) string { + // inside a string that might embed JavaScript source. + for i, c := range b { + switch c { +- case 0, '"', '\'', '(', ')', '/', ';', '@', '[', '\\', ']', '`', '{', '}': ++ case 0, '"', '\'', '(', ')', '/', ';', '@', '[', '\\', ']', '`', '{', '}', '<', '>': + return filterFailsafe + case '-': + // Disallow <!-- or -->. +diff --git a/src/html/template/css_test.go b/src/html/template/css_test.go +index a735638b0314f..2b76256a766e9 100644 +--- a/src/html/template/css_test.go ++++ b/src/html/template/css_test.go +@@ -231,6 +231,8 @@ func TestCSSValueFilter(t *testing.T) { + {`-exp\000052 ession(alert(1337))`, "ZgotmplZ"}, + {`-expre\0000073sion`, "-expre\x073sion"}, + {`@import url evil.css`, "ZgotmplZ"}, ++ {"<", "ZgotmplZ"}, ++ {">", "ZgotmplZ"}, + } + for _, test := range tests { + got := cssValueFilter(test.css) |