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CVE-2024-4032

Safety vulnerability ID: 71783

This vulnerability was reviewed by experts

The information on this page was manually curated by our Cybersecurity Intelligence Team.

Created at Jun 17, 2024 Updated at Nov 29, 2024
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Advisory

The “ipaddress” module contained incorrect information about whether certain IPv4 and IPv6 addresses were designated as “globally reachable” or “private”. This affected the is_private and is_global properties of the ipaddress.IPv4Address, ipaddress.IPv4Network, ipaddress.IPv6Address, and ipaddress.IPv6Network classes, where values wouldn’t be returned in accordance with the latest information from the IANA Special-Purpose Address Registries. CPython 3.12.4 and 3.13.0a6 contain updated information from these registries and thus have the intended behavior.

Affected package

python

Latest version: 0.9.8

Affected versions

Fixed versions

Vulnerability changelog

The “ipaddress” module contained incorrect information about whether certain IPv4 and IPv6 addresses were designated as “globally reachable” or “private”. This affected the is_private and is_global properties of the ipaddress.IPv4Address, ipaddress.IPv4Network, ipaddress.IPv6Address, and ipaddress.IPv6Network classes, where values wouldn’t be returned in accordance with the latest information from the IANA Special-Purpose Address Registries. CPython 3.12.4 and 3.13.0a6 contain updated information from these registries and thus have the intended behavior. See CVE-2024-4032.


MISC:https://github.com/python/cpython/commit/22adf29da8d99933ffed8647d3e0726edd16f7f8: https://github.com/python/cpython/commit/22adf29da8d99933ffed8647d3e0726edd16f7f8
MISC:https://github.com/python/cpython/commit/40d75c2b7f5c67e254d0a025e0f2e2c7ada7f69f: https://github.com/python/cpython/commit/40d75c2b7f5c67e254d0a025e0f2e2c7ada7f69f
MISC:https://github.com/python/cpython/commit/895f7e2ac23eff4743143beef0f0c5ac71ea27d3: https://github.com/python/cpython/commit/895f7e2ac23eff4743143beef0f0c5ac71ea27d3
MISC:https://github.com/python/cpython/commit/ba431579efdcbaed7a96f2ac4ea0775879a332fb: https://github.com/python/cpython/commit/ba431579efdcbaed7a96f2ac4ea0775879a332fb
MISC:https://github.com/python/cpython/commit/c62c9e518b784fe44432a3f4fc265fb95b651906: https://github.com/python/cpython/commit/c62c9e518b784fe44432a3f4fc265fb95b651906
MISC:https://github.com/python/cpython/commit/f86b17ac511e68192ba71f27e752321a3252cee3: https://github.com/python/cpython/commit/f86b17ac511e68192ba71f27e752321a3252cee3
MISC:https://github.com/python/cpython/issues/113171: https://github.com/python/cpython/issues/113171
MISC:https://github.com/python/cpython/pull/113179: https://github.com/python/cpython/pull/113179
MISC:https://mail.python.org/archives/list/[email protected]/thread/NRUHDUS2IV2USIZM2CVMSFL6SCKU3RZA/: https://mail.python.org/archives/list/[email protected]/thread/NRUHDUS2IV2USIZM2CVMSFL6SCKU3RZA/
MISC:https://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.xhtml: https://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.xhtml
MISC:https://www.iana.org/assignments/iana-ipv6-special-registry/iana-ipv6-special-registry.xhtml: https://www.iana.org/assignments/iana-ipv6-special-registry/iana-ipv6-special-registry.xhtml
MLIST:[oss-security] 20240617 Fwd: [Security-announce][CVE-2024-4032] Incorrect IPv4 and IPv6 private ranges: http://www.openwall.com/lists/oss-security/2024/06/17/3

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