Date: Mon, 01 Apr 2019 20:31:27 -0500 From: Daniel Ruggeri <druggeri@...che.org> To: oss-security@...ts.openwall.com Subject: CVE-2019-0220: URL normalization inconsistincies CVE-2019-0220: URL normalization inconsistincies Severity: Low Vendor: The Apache Software Foundation Versions Affected: httpd 2.4.0 to 2.4.39 Description: When the path component of a request URL contains multiple consecutive slashes ('/'), directives such as LocationMatch and RewriteRule must account for duplicates in regular expressions while other aspects of the servers processing will implicitly collapse them. Mitigation: Regular expressions used in directives that match against the path component of the request URL can be modified to account for multiple consecutive slashes. Credit: The issue was discovered by Bernhard Lorenz <bernhard.lorenz@...hastrike.io> of Alpha Strike Labs GmbH". References: https://httpd.apache.org/security/vulnerabilities_24.html
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