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List:       oss-security
Subject:    [oss-security] [SECURITY][CVE-2020-13937] Unauthenticated Configuration Disclosure
From:       "Xiaoxiang Yu" <xxyu () apache ! org>
Date:       2020-10-19 12:00:21
Message-ID: 360777c3.7d8b.17540bb5b7a.Coremail.xxyu () apache ! org
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Versions Affected:

Kylin 2.0.0, 2.1.0, 2.2.0, 2.3.0, 2.3.1, 2.3.2, 2.4.0, 2.4.1, 2.5.0, 2.5.1, 2.5.2, 2.6.0, \
2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.6.5, 2.6.6, 3.0.0-alpha, 3.0.0-alpha2, 3.0.0-beta, 3.0.0, 3.0.1, \
3.0.2, 3.1.0, 4.0.0-alpha.




Description:

Kylin has one restful api which exposed Kylin's configuration information without any \
authentication, so it is dangerous because some confidential information entries will be \
disclosed to everyone.




Mitigation:

Users could edit "$KYLIN_HOME/WEB-INF/classes/kylinSecurity.xml", and remove this line \
"<scr:intercept-url pattern="/api/admin/config" access="permitAll"/>". After that,  restart all \
Kylin instances to make it effective.

Otherwise, you can upgrade Kylin to 3.1.1.




Credit:

This issue was discovered by Ngo Wei Lin (@Creastery) of STAR Labs (@starlabs_sg).

--

Best wishes to you ! 
From £ºXiaoxiang Yu



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