From 82be2c179a235e66f30eab58232e9384c087157e Mon Sep 17 00:00:00 2001 From: Shubham Kulkarni Date: Tue, 18 Apr 2023 17:24:23 +0530 Subject: go-runtime: Security fix for CVE-2022-41722 path/filepath: do not Clean("a/../c:/b") into c:\b on Windows Backport from https://github.com/golang/go/commit/bdf07c2e168baf736e4c057279ca12a4d674f18c (From OE-Core rev: f60637b3c9045656047d6ffcfaadbef5ad1d3d06) Signed-off-by: Shubham Kulkarni Signed-off-by: Steve Sakoman --- meta/recipes-devtools/go/go-1.17.13.inc | 1 + .../go/go-1.18/CVE-2022-41722.patch | 103 +++++++++++++++++++++ 2 files changed, 104 insertions(+) create mode 100644 meta/recipes-devtools/go/go-1.18/CVE-2022-41722.patch (limited to 'meta') diff --git a/meta/recipes-devtools/go/go-1.17.13.inc b/meta/recipes-devtools/go/go-1.17.13.inc index 23380f04c3..15d19ed124 100644 --- a/meta/recipes-devtools/go/go-1.17.13.inc +++ b/meta/recipes-devtools/go/go-1.17.13.inc @@ -26,6 +26,7 @@ SRC_URI += "\ file://cve-2022-41724.patch \ file://add_godebug.patch \ file://cve-2022-41725.patch \ + file://CVE-2022-41722.patch \ " SRC_URI[main.sha256sum] = "a1a48b23afb206f95e7bbaa9b898d965f90826f6f1d1fc0c1d784ada0cd300fd" diff --git a/meta/recipes-devtools/go/go-1.18/CVE-2022-41722.patch b/meta/recipes-devtools/go/go-1.18/CVE-2022-41722.patch new file mode 100644 index 0000000000..426a4f925f --- /dev/null +++ b/meta/recipes-devtools/go/go-1.18/CVE-2022-41722.patch @@ -0,0 +1,103 @@ +From a826b19625caebed6dd0f3fbd9d0111f6c83737c Mon Sep 17 00:00:00 2001 +From: Damien Neil +Date: Mon, 12 Dec 2022 16:43:37 -0800 +Subject: [PATCH] path/filepath: do not Clean("a/../c:/b") into c:\b on Windows + +Do not permit Clean to convert a relative path into one starting +with a drive reference. This change causes Clean to insert a . +path element at the start of a path when the original path does not +start with a volume name, and the first path element would contain +a colon. + +This may introduce a spurious but harmless . path element under +some circumstances. For example, Clean("a/../b:/../c") becomes `.\c`. + +This reverts CL 401595, since the change here supersedes the one +in that CL. + +Thanks to RyotaK (https://twitter.com/ryotkak) for reporting this issue. + +Updates #57274 +Fixes #57276 +Fixes CVE-2022-41722 + +Change-Id: I837446285a03aa74c79d7642720e01f354c2ca17 +Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1675249 +Reviewed-by: Roland Shoemaker +Run-TryBot: Damien Neil +Reviewed-by: Julie Qiu +TryBot-Result: Security TryBots +(cherry picked from commit 8ca37f4813ef2f64600c92b83f17c9f3ca6c03a5) +Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1728944 +Run-TryBot: Roland Shoemaker +Reviewed-by: Tatiana Bradley +Reviewed-by: Damien Neil +Reviewed-on: https://go-review.googlesource.com/c/go/+/468119 +Reviewed-by: Than McIntosh +Run-TryBot: Michael Pratt +TryBot-Result: Gopher Robot +Auto-Submit: Michael Pratt + +CVE: CVE-2022-41722 +Upstream-Status: Backport from https://github.com/golang/go/commit/bdf07c2e168baf736e4c057279ca12a4d674f18 +Signed-off-by: Shubham Kulkarni +--- + src/path/filepath/path.go | 27 ++++++++++++++------------- + 1 file changed, 14 insertions(+), 13 deletions(-) + +diff --git a/src/path/filepath/path.go b/src/path/filepath/path.go +index 8300a32..94621a0 100644 +--- a/src/path/filepath/path.go ++++ b/src/path/filepath/path.go +@@ -15,6 +15,7 @@ import ( + "errors" + "io/fs" + "os" ++ "runtime" + "sort" + "strings" + ) +@@ -117,21 +118,9 @@ func Clean(path string) string { + case os.IsPathSeparator(path[r]): + // empty path element + r++ +- case path[r] == '.' && r+1 == n: ++ case path[r] == '.' && (r+1 == n || os.IsPathSeparator(path[r+1])): + // . element + r++ +- case path[r] == '.' && os.IsPathSeparator(path[r+1]): +- // ./ element +- r++ +- +- for r < len(path) && os.IsPathSeparator(path[r]) { +- r++ +- } +- if out.w == 0 && volumeNameLen(path[r:]) > 0 { +- // When joining prefix "." and an absolute path on Windows, +- // the prefix should not be removed. +- out.append('.') +- } + case path[r] == '.' && path[r+1] == '.' && (r+2 == n || os.IsPathSeparator(path[r+2])): + // .. element: remove to last separator + r += 2 +@@ -157,6 +146,18 @@ func Clean(path string) string { + if rooted && out.w != 1 || !rooted && out.w != 0 { + out.append(Separator) + } ++ // If a ':' appears in the path element at the start of a Windows path, ++ // insert a .\ at the beginning to avoid converting relative paths ++ // like a/../c: into c:. ++ if runtime.GOOS == "windows" && out.w == 0 && out.volLen == 0 && r != 0 { ++ for i := r; i < n && !os.IsPathSeparator(path[i]); i++ { ++ if path[i] == ':' { ++ out.append('.') ++ out.append(Separator) ++ break ++ } ++ } ++ } + // copy element + for ; r < n && !os.IsPathSeparator(path[r]); r++ { + out.append(path[r]) +-- +2.7.4 -- cgit v1.2.3-54-g00ecf