| commit | bdf07c2e168baf736e4c057279ca12a4d674f18c | [log] [tgz] |
|---|---|---|
| author | Damien Neil <dneil@google.com> | Mon Dec 12 16:43:37 2022 -0800 |
| committer | Gopher Robot <gobot@golang.org> | Tue Feb 14 16:58:49 2023 +0000 |
| tree | e3456aac0d7609e0b96db699de513eaa22e7e385 | |
| parent | 3a04b6e12ef0e5a0c608f82051943408bd6f28bd [diff] |
[release-branch.go1.20] 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 <bracewell@google.com>
Run-TryBot: Damien Neil <dneil@google.com>
Reviewed-by: Julie Qiu <julieqiu@google.com>
TryBot-Result: Security TryBots <security-trybots@go-security-trybots.iam.gserviceaccount.com>
(cherry picked from commit 8ca37f4813ef2f64600c92b83f17c9f3ca6c03a5)
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/1728944
Run-TryBot: Roland Shoemaker <bracewell@google.com>
Reviewed-by: Tatiana Bradley <tatianabradley@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/468119
Reviewed-by: Than McIntosh <thanm@google.com>
Run-TryBot: Michael Pratt <mpratt@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Michael Pratt <mpratt@google.com>
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