Fixed issue with blank password with Ldap #18736
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| Q | A |
|---|---|
| Branch? | 1.8 |
| Bug fix? | no |
| New feature? | no |
| BC breaks? | no |
| Deprecations? | no |
| Tests pass? | yes |
| Fixed tickets | n/a |
| License | MIT |
| Doc PR | n/a |
The bind operation of LDAP, as described in RFC 4513, provides a method which allows for authentication of users. For the Simple Authentication Method a user may use the anonymous authentication mechanism, the unauthenticated authentication mechanism, or the name/password authentication mechanism. The unauthenticated authentication mechanism is used when a client who desires to establish an anonymous authorization state passes a non-zero length distinguished name and a zero length password. Most LDAP servers either can be configured to allow this mechanism or allow it by default. _Web-based applications which perform the simple bind operation with the client's credentials are at risk when an anonymous authorization state is established. This can occur when the web-based application passes a distinguished name and a zero length password to the LDAP server._ Thus, misconfiguring a server with simple bind can trick Symfony into thinking the username/password tuple as valid, potentially leading to unauthorized access.
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Thank you @csarrazi. |
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