python-pip/don-t-split-git-references-on-unicode-separators.patch
2021-05-18 14:09:15 +02:00

34 lines
1.2 KiB
Diff

From 71ded0935e6c87d6e14439f667990de18bf82cb0 Mon Sep 17 00:00:00 2001
From: Karolina Surma <ksurma@redhat.com>
Date: Mon, 17 May 2021 13:34:47 +0200
Subject: [PATCH] Don't split git references on unicode separators
---
src/pip/_internal/vcs/git.py | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/src/pip/_internal/vcs/git.py b/src/pip/_internal/vcs/git.py
index a9c7fb6..b38625e 100644
--- a/src/pip/_internal/vcs/git.py
+++ b/src/pip/_internal/vcs/git.py
@@ -142,9 +142,15 @@ class Git(VersionControl):
pass
refs = {}
- for line in output.strip().splitlines():
+ # NOTE: We do not use splitlines here since that would split on other
+ # unicode separators, which can be maliciously used to install a
+ # different revision.
+ for line in output.strip().split("\n"):
+ line = line.rstrip("\r")
+ if not line:
+ continue
try:
- sha, ref = line.split()
+ sha, ref = line.split(" ", maxsplit=2)
except ValueError:
# Include the offending line to simplify troubleshooting if
# this error ever occurs.
--
2.31.1