CVE-2021-42357: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

January 17, 2022 (updated January 24, 2022)

When using Apache Knox SSO, a request could be crafted to redirect a user to a malicious page due to improper URL parsing. A request that included a specially crafted request parameter could be used to redirect the user to a page controlled by an attacker. This URL would need to be presented to the user outside the normal request flow through a XSS or phishing campaign.

References

www.openwall.com/lists/oss-security/2022/01/17/2
lists.apache.org/thread/b7v5dkpyqb51nw0lvz4cybhgrfhk1g7j
nvd.nist.gov/vuln/detail/CVE-2021-42357

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