CVE - CVE-2021-29921

CVE-ID
CVE-2021-29921	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In Python before 3,9,5, the ipaddress library mishandles leading zero characters in the octets of an IP address string. This (in some situations) allows attackers to bypass access control that is based on IP addresses.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
CONFIRM:https://security.netapp.com/advisory/ntap-20210622-0003/ URL:https://security.netapp.com/advisory/ntap-20210622-0003/ GENTOO:GLSA-202305-02 URL:https://security.gentoo.org/glsa/202305-02 MISC:https://bugs.python.org/issue36384 URL:https://bugs.python.org/issue36384 MISC:https://docs.python.org/3/library/ipaddress.html URL:https://docs.python.org/3/library/ipaddress.html MISC:https://github.com/python/cpython/blob/63298930fb531ba2bb4f23bc3b915dbf1e17e9e1/Misc/NEWS.d/3.8.0a4.rst URL:https://github.com/python/cpython/blob/63298930fb531ba2bb4f23bc3b915dbf1e17e9e1/Misc/NEWS.d/3.8.0a4.rst MISC:https://github.com/python/cpython/pull/12577 URL:https://github.com/python/cpython/pull/12577 MISC:https://github.com/python/cpython/pull/25099 URL:https://github.com/python/cpython/pull/25099 MISC:https://github.com/sickcodes URL:https://github.com/sickcodes MISC:https://github.com/sickcodes/security/blob/master/advisories/SICK-2021-014.md URL:https://github.com/sickcodes/security/blob/master/advisories/SICK-2021-014.md MISC:https://python-security.readthedocs.io/vuln/ipaddress-ipv4-leading-zeros.html URL:https://python-security.readthedocs.io/vuln/ipaddress-ipv4-leading-zeros.html MISC:https://sick.codes/sick-2021-014 URL:https://sick.codes/sick-2021-014 MISC:https://www.oracle.com//security-alerts/cpujul2021.html URL:https://www.oracle.com//security-alerts/cpujul2021.html MISC:https://www.oracle.com/security-alerts/cpuapr2022.html URL:https://www.oracle.com/security-alerts/cpuapr2022.html MISC:https://www.oracle.com/security-alerts/cpujan2022.html URL:https://www.oracle.com/security-alerts/cpujan2022.html MISC:https://www.oracle.com/security-alerts/cpujul2022.html URL:https://www.oracle.com/security-alerts/cpujul2022.html MISC:https://www.oracle.com/security-alerts/cpuoct2021.html URL:https://www.oracle.com/security-alerts/cpuoct2021.html
Assigning CNA
MITRE Corporation
Date Record Created
20210401	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20210401)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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