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The correct approach should be ‘secure by default’, not ‘it’s documented, it’s your responsibility now’.”Ĭatch up on the latest cybersecurity vulnerability news “We’ve seen this approach quite a lot recently, with other vendors we’ve worked with. People don’t often read documentation and they’re not security experts either, so they won't be able to make the right decision most of the time. He told The Daily Swig: “What they’re saying is correct, in a sense that this covered by the documentation, but just because it’s documented doesn’t make it secure. However, Tiron believes the XSS “could have been fixed while maintaining the intended functionality”. He added: “Again, this is an option root must enable for the reseller and should only be done so for users that are trusted as though you are giving them root to your server.” ‘Secure by default’
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“When you expand this icon, it is explained to the server admin that they will be allowed to insert HTML into this interface, as many of our customers expect to be able to do.” This is labelled a ‘Super Privilege’ with a warning icon in the server admins WHM interface and also flagged as such in the cPanel documentation, he added.ĭON’T FORGET TO READ Top Hacks from Black Hat and DEF CON 2021 “The Locale interface can only be used by root and Super Privilege resellers that root must grant this specific ACL to,” Cory McIntire, product owner on the cPanel security team, told The Daily Swig. The web hosting firm has not fixed these flaws – it only patched a separate, XXE vulnerability reported by Fortbridge – because attackers must be authenticated with a reseller account with permission to edit locales, which is not a default configuration. The Websocket hijacking attack was tested in Firefox, since Chrome has SameSite cookies enabled by default. cPanel is used in the hosting of more than 168,000 websites, according to Datanyze.ĭuring a black-box pen test, RCE was also demonstrated via a “more convoluted” CSRF bypass chained with a cross-site WebSocket hijacking attack that was possible because WebSockets failed to check their requests’ Origin header, according to a technical write-up published by Adrian Tiron, cloud AppSec consultant at UK infosec firm Fortbridge.
#Cpanel whm 58 code
Security researchers have achieved remote code execution (RCE) and privilege escalation on web hosting platform cPanel & WHM via a stored cross-site scripting (XSS) vulnerability.ĬPanel & WHM is a suite of Linux tools that enable the automation of web hosting tasks via a graphical user interface (GUI). Pen testers and vendor disagree over appropriate mitigations