| Package | Affected versions | Patched versions |
|---|---|---|
| subversion | = 1.9.0= 1.9.1= 1.9.2= 1.9.3≤ 1.8.15 |
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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