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SUSE:SLE-12-SP2:GA
salt.26901
prevent-command-injection-in-the-snapper-module...
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File prevent-command-injection-in-the-snapper-module-bsc-.patch of Package salt.26901
From 299beb056a08ca6171dba56f4fc463a0186718f2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pablo=20Su=C3=A1rez=20Hern=C3=A1ndez?= <psuarezhernandez@suse.com> Date: Tue, 27 Apr 2021 11:14:20 +0100 Subject: [PATCH] Prevent command injection in the snapper module (bsc#1185281) (CVE-2021-31607) --- salt/modules/snapper.py | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/salt/modules/snapper.py b/salt/modules/snapper.py index db1b79cf49..dfc044764c 100644 --- a/salt/modules/snapper.py +++ b/salt/modules/snapper.py @@ -19,6 +19,7 @@ import logging import os import time import difflib +import subprocess try: from pwd import getpwuid HAS_PWD = True @@ -523,7 +524,12 @@ def _is_text_file(filename): ''' Checks if a file is a text file ''' - type_of_file = os.popen('file -bi {0}'.format(filename), 'r').read() + type_of_file = subprocess.run( + ["file", "-bi", filename], + check=False, + stdout=subprocess.PIPE, + universal_newlines=True, + ).stdout return type_of_file.startswith('text') -- 2.31.1
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