mirror of
https://git.yoctoproject.org/poky
synced 2026-02-05 16:28:43 +01:00
2ae3d43628
Source: https://github.com/pypa/pip
MR: 113864
Type: Security Fix
Disposition: Backport from e46bdda971
ChangeID: 717948e217d6219d1f03afb4d984342d7dea4636
Description:
CVE-2021-3572 python-pip: Incorrect handling of unicode separators in git references.
(From OE-Core rev: 841a8fb5b6351f79a4d756232a544d1a6480c562)
Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
49 lines
1.9 KiB
Diff
49 lines
1.9 KiB
Diff
From c4fd13410b9a219f77fc30775d4a0ac9f69725bd Mon Sep 17 00:00:00 2001
|
|
From: Hitendra Prajapati <hprajapati@mvista.com>
|
|
Date: Thu, 16 Jun 2022 09:52:43 +0530
|
|
Subject: [PATCH] CVE-2021-3572
|
|
|
|
Upstream-Status: Backport [https://github.com/pypa/pip/commit/e46bdda9711392fec0c45c1175bae6db847cb30b]
|
|
CVE: CVE-2021-3572
|
|
Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
|
|
---
|
|
news/9827.bugfix.rst | 3 +++
|
|
src/pip/_internal/vcs/git.py | 10 ++++++++--
|
|
2 files changed, 11 insertions(+), 2 deletions(-)
|
|
create mode 100644 news/9827.bugfix.rst
|
|
|
|
diff --git a/news/9827.bugfix.rst b/news/9827.bugfix.rst
|
|
new file mode 100644
|
|
index 0000000..e0d27c3
|
|
--- /dev/null
|
|
+++ b/news/9827.bugfix.rst
|
|
@@ -0,0 +1,3 @@
|
|
+**SECURITY**: Stop splitting on unicode separators in git references,
|
|
+which could be maliciously used to install a different revision on the
|
|
+repository.
|
|
diff --git a/src/pip/_internal/vcs/git.py b/src/pip/_internal/vcs/git.py
|
|
index 7483303..1b895f6 100644
|
|
--- a/src/pip/_internal/vcs/git.py
|
|
+++ b/src/pip/_internal/vcs/git.py
|
|
@@ -137,9 +137,15 @@ class Git(VersionControl):
|
|
output = cls.run_command(['show-ref', rev], cwd=dest,
|
|
show_stdout=False, on_returncode='ignore')
|
|
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()
|
|
+ ref_sha, ref_name = line.split(" ", maxsplit=2)
|
|
except ValueError:
|
|
# Include the offending line to simplify troubleshooting if
|
|
# this error ever occurs.
|
|
--
|
|
2.25.1
|
|
|