python3-pip: fix CVE-2023-5752

When installing a package from a Mercurial VCS URL (ie "pip install
hg+...") with pip prior to v23.3, the specified Mercurial revision could
be used to inject arbitrary configuration options to the "hg clone" call
(ie "--config"). Controlling the Mercurial configuration can modify how
and which repository is installed. This vulnerability does not affect
users who aren't installing from Mercurial.

References:
https://nvd.nist.gov/vuln/detail/CVE-2023-5752

Upstream patches:
389cb799d0

(From OE-Core rev: 862c0338fba06077a26c775b49f993eac63762c9)

Signed-off-by: Jiaying Song <jiaying.song.cn@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

meta/recipes-devtools/python/python3-pip/CVE-2023-5752.patch

@@ -0,0 +1,34 @@
+From b16dd80c50deaa4753045d93ed281d348509293f Mon Sep 17 00:00:00 2001
+From: Pradyun Gedam <pradyunsg@users.noreply.github.com>
+Date: Sun, 1 Oct 2023 14:10:25 +0100
+Subject: [PATCH] Use `-r=...` instead of `-r ...` for hg
+
+This ensures that the resulting revision can not be misinterpreted as an
+option.
+
+Upstream-Status: Backport
+[https://github.com/pypa/pip/pull/12306/commits/389cb799d0da9a840749fcd14878928467ed49b4]
+
+CVE: CVE-2023-5752
+
+Signed-off-by: Jiaying Song <jiaying.song.cn@windriver.com>
+---
+ src/pip/_internal/vcs/mercurial.py | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/pip/_internal/vcs/mercurial.py b/src/pip/_internal/vcs/mercurial.py
+index 2a005e0..e440c12 100644
+--- a/src/pip/_internal/vcs/mercurial.py
++++ b/src/pip/_internal/vcs/mercurial.py
+@@ -31,7 +31,7 @@ class Mercurial(VersionControl):
+ 
+     @staticmethod
+     def get_base_rev_args(rev: str) -> List[str]:
+-        return [rev]
++        return [f"-r={rev}"]
+ 
+     def fetch_new(
+         self, dest: str, url: HiddenText, rev_options: RevOptions, verbosity: int
+-- 
+2.25.1
+