Incorrect provision of specified functionality in Python - CVE-2024-4032

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists within the "ipaddress" module that contains incorrect information and private and public IP addresses for IPv4 and IPv6 protocols. This affects the is_private and is_global properties of the ipaddress.IPv4Address, ipaddress.IPv4Network, ipaddress.IPv6Address, and ipaddress.IPv6Network classes. A remote attacker can bypass implemented security restrictions based on IP addresses or perform other actions, depending on the application's capabilities.

How to mitigate CVE-2024-4032

Sources

• https://github.com/python/cpython/issues/113171
• https://github.com/python/cpython/pull/113179
• https://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.xhtml
• https://www.iana.org/assignments/iana-ipv6-special-registry/iana-ipv6-special-registry.xhtml
• https://mail.python.org/archives/list/security-announce@python.org/thread/NRUHDUS2IV2USIZM2CVMSFL6SCKU3RZA/
• https://github.com/python/cpython/commit/22adf29da8d99933ffed8647d3e0726edd16f7f8
• https://github.com/python/cpython/commit/40d75c2b7f5c67e254d0a025e0f2e2c7ada7f69f
• https://github.com/python/cpython/commit/895f7e2ac23eff4743143beef0f0c5ac71ea27d3
• https://github.com/python/cpython/commit/ba431579efdcbaed7a96f2ac4ea0775879a332fb
• https://github.com/python/cpython/commit/c62c9e518b784fe44432a3f4fc265fb95b651906
• https://github.com/python/cpython/commit/f86b17ac511e68192ba71f27e752321a3252cee3
• http://www.openwall.com/lists/oss-security/2024/06/17/3
• https://security.netapp.com/advisory/ntap-20240726-0004/