BIT-python-2021-29921

Import Source

https://github.com/bitnami/vulndb/tree/main/data/python/BIT-python-2021-29921.json

Aliases

• CVE-2021-29921
• PSF-2021-2

Published

2024-03-06T11:06:43.578Z

Modified

2024-03-06T11:25:28.861Z

Summary

[none]

Details

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

• https://bugs.python.org/issue36384
• https://docs.python.org/3/library/ipaddress.html
• https://github.com/python/cpython/blob/63298930fb531ba2bb4f23bc3b915dbf1e17e9e1/Misc/NEWS.d/3.8.0a4.rst
• https://github.com/python/cpython/pull/12577
• https://github.com/python/cpython/pull/25099
• https://github.com/sickcodes
• https://github.com/sickcodes/security/blob/master/advisories/SICK-2021-014.md
• https://python-security.readthedocs.io/vuln/ipaddress-ipv4-leading-zeros.html
• https://security.gentoo.org/glsa/202305-02
• https://security.netapp.com/advisory/ntap-20210622-0003/
• https://sick.codes/sick-2021-014
• https://www.oracle.com//security-alerts/cpujul2021.html
• https://www.oracle.com/security-alerts/cpuapr2022.html
• https://www.oracle.com/security-alerts/cpujan2022.html
• https://www.oracle.com/security-alerts/cpujul2022.html
• https://www.oracle.com/security-alerts/cpuoct2021.html