CVE-2024-11168
Improper validation of IPv6 and IPvFuture addresses
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Description
The urllib.parse.urlsplit() and urlparse() functions improperly validated bracketed hosts (`[]`), allowing hosts that weren't IPv6 or IPvFuture. This behavior was not conformant to RFC 3986 and potentially enabled SSRF if a URL is processed by more than one URL parser.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://github.com/python/cpython/commit/29f348e232e82938ba2165843c448c2b291504c5
- https://github.com/python/cpython/commit/634ded45545ce8cbd6fd5d49785613dd7fa9b89e
- https://github.com/python/cpython/commit/b2171a2fd41416cf68afd67460578631d755a550
- https://github.com/python/cpython/commit/ddca2953191c67a12b1f19d6bca41016c6ae7132
- https://github.com/python/cpython/pull/103849
References (9)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- LOW
- Availability
- NONE
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