nginx WebDAV Multiple Directory Traversal Vulnerabilities

Summary
The 'nginx' program is prone to multiple directory-traversal vulnerabilities because the software fails to sufficiently sanitize user-supplied input. An attacker can exploit these issues using directory-traversal strings ('../') to overwrite arbitrary files outside the root directory. These issues affect nginx 0.7.61 and 0.7.62 other versions may also be affected.
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