Authentication Bypass Vulnerability in Apache Subversion

CVE-2016-2167 · MEDIUM Severity

AV:N/AC:M/AU:S/C:P/I:P/A:N

The canonicalize_username function in svnserve/cyrus_auth.c in Apache Subversion before 1.8.16 and 1.9.x before 1.9.4, when Cyrus SASL authentication is used, allows remote attackers to authenticate and bypass intended access restrictions via a realm string that is a prefix of an expected repository realm string.

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