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https://issues.apache.org/jira/browse/DIRAPI-400?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Emmanuel Lécharny resolved DIRAPI-400.
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Fix Version/s: 2.1.7
Resolution: Fixed
Fixed and test added.
Thanks for the report!
> Hang in LDAP URL parser
> -----------------------
>
> Key: DIRAPI-400
> URL: https://issues.apache.org/jira/browse/DIRAPI-400
> Project: Directory Client API
> Issue Type: Bug
> Affects Versions: 2.1.6
> Reporter: Andrey Slepykh
> Priority: Major
> Fix For: 2.1.7
>
> Attachments: Reproducer.java
>
>
> Hello, we have found a problem in LDAP URL parser in version 2.1.6 while
> fuzzing. The problem is that LDAP parser can not properly handle specially
> crafted inputs and just hangs.
> {{Steps to reproduce:}}
> ~1. Download Apache Directory LDAP API v2.1.6:~
> ^wget wget
> [https://github.com/apache/directory-ldap-api/archive/refs/tags/2.1.6.tar.gz]^
> ^tar xf 2.1.6.tar.gz && rm 2.1.6.tar.gz^
> {{2. Compile the project (we used jdk-11 and mvn-3.9.6):}}
> {{^cd directory-ldap-api-2.1.6^}}
> {{^mvn clean package^}}
> {{3. Get the reproducer:}}
> {{^mkdir fuzz && cd fuzz^}}
> {{^mv <path/to/reproducer>/Reproducer.java .^}}
> {{4. Compile the reproducer:}}
> {{^javac -cp ../ldap/model/target/classes/ ./Reproducer.java^}}
> {{5. Reproduce the hang:}}
> {{^java -cp
> ../ldap/model/target/classes/:.:../util/target/classes/:../integ-osgi/target/dependency/slf4j-api-1.7.26.jar:../i18n/target/classes/
> Reproducer^}}
> We decided to fuzz this function, because it is used in Apache Directory
> Server
> Found by Linux Verification Center (portal.linuxtesting.ru) with Jazzer.
> Author L.Reviakin ([email protected])
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