Test ID:	1.3.6.1.4.1.25623.1.0.113934
Category:	Denial of Service
Title:	Python DoS Vulnerability (bpo-44394) - Windows
Summary:	Python is prone to a denial of service (DoS) vulnerability.
Description:	Summary: Python is prone to a denial of service (DoS) vulnerability. Vulnerability Insight: On Windows and macOS, Python uses a vendored copy of libexpat which is vulnerable to the XML 'Billion Laughs' expansion denial of service attack. Updating libexpat copy in Python to libexpat 2.4.0 or newer fix the vulnerability. Affected Software/OS: Python versions prior to 3.6.15, 3.7.x prior to 3.7.12, 3.8.x prior to 3.8.12 and 3.9.x prior to 3.9.7. Solution: Update to version 3.6.15, 3.7.12, 3.8.12, 3.9.7, 3.10.0 or later. CVSS Score: 6.8 CVSS Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2013-0340 1028213 http://securitytracker.com/id?1028213 20210921 APPLE-SA-2021-09-20-1 iOS 15 and iPadOS 15 http://seclists.org/fulldisclosure/2021/Sep/33 20210921 APPLE-SA-2021-09-20-2 watchOS 8 http://seclists.org/fulldisclosure/2021/Sep/34 20210921 APPLE-SA-2021-09-20-3 tvOS 15 http://seclists.org/fulldisclosure/2021/Sep/35 20210921 APPLE-SA-2021-09-20-6 Additional information for APPLE-SA-2021-09-13-1 iOS 14.8 and iPadOS 14.8 http://seclists.org/fulldisclosure/2021/Sep/38 20210921 APPLE-SA-2021-09-20-7 Additional information for APPLE-SA-2021-09-13-3 macOS Big Sur 11.6 http://seclists.org/fulldisclosure/2021/Sep/39 20210921 APPLE-SA-2021-09-20-8 Additional information for APPLE-SA-2021-09-13-4 Security Update 2021-005 Catalina http://seclists.org/fulldisclosure/2021/Sep/40 20211027 APPLE-SA-2021-10-26-10 Additional information for APPLE-SA-2021-09-20-2 watchOS 8 http://seclists.org/fulldisclosure/2021/Oct/62 20211027 APPLE-SA-2021-10-26-11 Additional information for APPLE-SA-2021-09-20-3 tvOS 15 http://seclists.org/fulldisclosure/2021/Oct/63 20211027 APPLE-SA-2021-10-26-9 Additional information for APPLE-SA-2021-09-20-1 iOS 15 and iPadOS 15 http://seclists.org/fulldisclosure/2021/Oct/61 58233 http://www.securityfocus.com/bid/58233 90634 http://www.osvdb.org/90634 GLSA-201701-21 https://security.gentoo.org/glsa/201701-21 [announce] 20211007 CVE-2021-40439: Apache OpenOffice: Billion Laughs https://lists.apache.org/thread.html/r41eca5f4f09e74436cbb05dec450fc2bef37b5d3e966aa7cc5fada6d%40%3Cannounce.apache.org%3E [openoffice-users] 20211007 CVE-2021-40439: Apache OpenOffice: Billion Laughs https://lists.apache.org/thread.html/rfb2c193360436e230b85547e85a41bea0916916f96c501f5b6fc4702%40%3Cusers.openoffice.apache.org%3E [oss-security] 20130221 CVEs for libxml2 and expat internal and external XML entity expansion http://openwall.com/lists/oss-security/2013/02/22/3 [oss-security] 20130413 Re-evaluating expat/libxml2 CVE assignments http://www.openwall.com/lists/oss-security/2013/04/12/6 [oss-security] 20211007 CVE-2021-40439: Apache OpenOffice: Billion Laughs http://www.openwall.com/lists/oss-security/2021/10/07/4 https://support.apple.com/kb/HT212804 https://support.apple.com/kb/HT212805 https://support.apple.com/kb/HT212807 https://support.apple.com/kb/HT212814 https://support.apple.com/kb/HT212815 https://support.apple.com/kb/HT212819
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