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https://issues.apache.org/jira/browse/DERBY-7147?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17636844#comment-17636844
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Richard N. Hillegas commented on DERBY-7147:
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Attaching derby-7147-02-aa-escapeLDAPsearchFilter.diff. This patch is the fix.
The patch escapes LDAP search filters using a routine cribbed from Apache
Tomcat.
I ran the full tests (with the classpath) as a sanity check. The tests ran
cleanly.
The patch is ready for testing with an LDAP server. There's nothing
platform-specific in the patch, so testing on Linux should be adequate.
Touches the following files:
{noformat}
M build.xml
A tools/release/notices/tomcat.txt
Acknowledge the Tomcat debt in Derby's NOTICE file.
M
java/org.apache.derby.engine/org/apache/derby/impl/jdbc/authentication/LDAPAuthenticationSchemeImpl.java
Escape LDAP search filters.
{noformat}
> LDAP injection vulnerability in LDAPAuthenticationImpl
> ------------------------------------------------------
>
> Key: DERBY-7147
> URL: https://issues.apache.org/jira/browse/DERBY-7147
> Project: Derby
> Issue Type: Bug
> Components: JDBC
> Affects Versions: 10.16.1.1
> Reporter: Richard N. Hillegas
> Assignee: Richard N. Hillegas
> Priority: Major
> Attachments: derby-7147-01-aa-reformatForReadability.diff,
> derby-7147-02-aa-escapeLDAPsearchFilter.diff
>
>
> An LDAP injection vulnerability has been identified in
> LDAPAuthenticationSchemeImpl.getDNFromUID(). An exploit has not been
> provided, but there is a possibility that an intruder could bypass
> authentication checks in Derby-powered applications which rely on external
> LDAP servers.
> For more information on LDAP injection, see
> https://www.synopsys.com/glossary/what-is-ldap-injection.html
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