CVE-2023-24329
HIGH severity · CVSS 7.5 · Improper input validation
7.5CVSS HIGH
Summary
An issue in the urllib.parse component of Python before 3.11.4 allows attackers to bypass blocklisting methods by supplying a URL that starts with blank characters.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactHigh
Availability impactNone
Exploit probability (EPSS)20%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://github.com/python/cpython/pull/99421 ↗
Additional information
- NVD record
- https://github.com/python/cpython/pull/99421Patch
- https://github.com/python/cpython/issues/102153
- https://lists.debian.org/debian-lts-announce/2023/09/msg00022.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6PEVICI7YNGGMSL3UCMWGE66QFLATH72/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DSL6NSOAXWBJJ67XPLSSC74MNKZF3BBO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EM2XLZSTXG44TMFXF4E6VTGKR2MQCW3G/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F2NY75GFDZ5T6YPN44D3VMFT5SUVTOTG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GR5US3BYILYJ4SKBV6YBNPRUBAL5P2CN/