CVE-2021-33503 @ Python-urllib3-1.25.7

[dorohayon]

Vulnerable Package issue exists @ Python-urllib3-1.25.7 in branch main

An issue was discovered in urllib3 before 1.26.5. When provided with a URL containing many @ characters in the authority component, the authority regular expression exhibits catastrophic backtracking, causing a denial of service if a URL were passed as a parameter or redirected to via an HTTP redirect.

Namespace: dorohayon
Repository: cxone-advanced-lab
Repository Url: https://github.com/dorohayon/cxone-advanced-lab
CxAST-Project: dorohayon/cxone-advanced-lab
CxAST platform scan: 1f20cfdb-755f-4c85-8955-8edd4bc0421c
Branch: main
Application: cxone-advanced-lab
Severity: HIGH
State: NOT_IGNORED
Status: RECURRENT
CWE: CWE-400

---

Additional Info
Attack vector: NETWORK
Attack complexity: LOW
Confidentiality impact: NONE
Availability impact: HIGH
Remediation Upgrade Recommendation: 1.26.5

---

References
Advisory
Commit
Issue