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Joomla AcySMS 3.5.0 Component - CSV Macro Injection Vulnerability
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# Exploit Title: Joomla! Component AcySMS 3.5.0 CSV Macro Injection ################################ # Exploit Author: Sureshbabu Narvaneni ################################ # Vendor Homepage: https://www.acyba.com # Software Link: https://extensions.joomla.org/extensions/extension/communication/phone-a-sms/acysms/ # Affected Version: 3.5.0 # Category: WebApps # Tested on: Ubuntu 14.04 x86_64/Kali Linux 4.12 i686 # CVE : CVE-2018-9106 1. Vendor Description: AcySMS is a component which enables you to send follow-up campaigns, auto-responders, newsletters, promotions, special offers, automated messages... via SMS/Text Messages. 2. Technical Description: CSV Injection (aka Excel Macro Injection or Formula Injection) exists in the export feature in the Acyba AcySMS extension before 3.5.1 for Joomla! via a value that is mishandled in a CSV export. 3. Proof Of Concept: Login as low privileged user who is having access to AcySMS Component. Rename user name as @SUM(1+1)*cmd|' /C calc'!A0. When high privileged user logged in and exported user data then the CSV Formula gets executed and calculator will get popped in his machine. 4. Solution: Upgrade to version 3.5.1 https://extensions.joomla.org/extensions/extension/communication/phone-a-sms/acysms/ 5. Reference: https://vel.joomla.org/articles/2140-introducing-csv-injection https://github.com/MrR3boot/CVE-Hunting/blob/master/AcySMS-CSV.mp4 Sureshbabu Narvaneni, Security Analyst | Bug Hunter, HackerOne (mrreboot/mrr3boot) | BugCrowd (Mr_R3boot) # 0day.today [2024-11-16] #