Date: Wed, 28 Dec 2016 03:03:39 -0200 From: Dawid Golunski <dawid@...alhackers.com> To: oss-security@...ts.openwall.com Subject: PHPMailer < 5.2.20 Remote Code Execution PoC 0day Exploit (CVE-2016-10045) (Bypass of the CVE-2016-1033 patch) PHPMailer < 5.2.20 Remote Code Execution PoC 0day Exploit (CVE-2016-10045) (Bypass for the CVE-2016-1033 patch) Discovered by Dawid Golunski (@...id_golunski) https://legalhackers.com Desc: I discovered that the current PHPMailer versions (< 5.2.20) were still vulnerable to RCE as it is possible to bypass the currently available patch. This was reported responsibly to the vendor & assigned a CVEID on the 26th of December. The vendor has been working on a new patch which would fix the problem but not break the RFC too badly. The patch should be published very soon. I'm releasing this as a 0day without the new patch available publicly as a potential bypass was publicly discussed on oss-sec with Solar Designer in the PHPMailer < 5.2.18 thread, so holding the advisory further would serve no purpose. Current advisory URL: https://legalhackers.com/advisories/PHPMailer-Exploit-Remote-Code-Exec-CVE-2016-10045-Vuln-Patch-Bypass.html More updates soon at: https://twitter.com/dawid_golunski -- Regards, Dawid Golunski https://legalhackers.com t: @dawid_golunski View attachment "PHPMailer-fix-bypass.txt" of type "text/plain" (6286 bytes)
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