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Thousands of PAN-OS devices compromised by critical exploits • The Register
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article, currently there are 10 comments" title="View comments on this article" href="https://forums.theregister.com/forum/all/2024/11/22/palo_alto_firewalls_under_exploit/"> <strong aria-hidden="true">10</strong> <img aria-hidden="true" width="18" height="16" alt="comment bubble on white" src="/design_picker/f5daacc84b9722c1e31ba85f836c37e4ad993fc4/graphics/icons/bubble_comment_white.png" srcset="/design_picker/f5daacc84b9722c1e31ba85f836c37e4ad993fc4/graphics/icons/bubble_comment_white.svg"> </a> </div> </div> <div class="header_right"> <h1>1,000s of Palo Alto Networks firewalls hijacked as miscreants exploit critical hole</h1> </div> <div class="header_left"> <div class="comments_wrap desktop_only"> <a class="comment_count" aria-label="Read comments on this article, currently there are 10 comments" title="View comments on this article" href="https://forums.theregister.com/forum/all/2024/11/22/palo_alto_firewalls_under_exploit/"> <strong aria-hidden="true">10</strong> <img aria-hidden="true" width="18" height="16" alt="comment bubble on white" src="/design_picker/f5daacc84b9722c1e31ba85f836c37e4ad993fc4/graphics/icons/bubble_comment_white.png" srcset="/design_picker/f5daacc84b9722c1e31ba85f836c37e4ad993fc4/graphics/icons/bubble_comment_white.svg"> </a> </div> </div> <div class="header_right"> <h2>PAN-PAN! Intruders inject web shell backdoors, crypto-coin miners, more</h2> <div class="byline_and_dateline_and_share_and_comments"> <div class="byline_wrap"> <img class="vulture_icon" src="/design_picker/d518b499f8a6e2c65d4d8c49aca8299d54b03012/graphics/icon/vulture_red.svg" alt="icon"> <a class="byline" href="/Author/Jessica-Lyons" title="Read more by this author"> Jessica Lyons </a> </div> <div class="dateline_wrap"> <span class="dateline"> Fri 22 Nov 2024 <span class="slashes"> // </span> 21:27 UTC </span> </div> </div> </div> </div> <div id=main-col> <div id="article-wrapper" class="article_wrap"> <div class="left_col"> <div class="floating_bar"> <div class="sharing_widget_story_desktop uses_overlay"> <button class="top_blob" aria-label="Share this story" title="Share this story"> <img width="25" height="25" src="/design_picker/d2e337b97204af4aa34dda04c4e5d56d954b216f/graphics/icons/social_share_icon.svg" alt=""> </button> <div class="sharing_widget_overlay" id="sharing_widget_overlay_2"> <div class="sharing_box"> <a data-social="reddit" href="https://www.reddit.com/submit?url=https://www.theregister.com/2024/11/22/palo_alto_firewalls_under_exploit/%3futm_medium%3dshare%26utm_content%3darticle%26utm_source%3dreddit&title=1%2c000s%20of%20Palo%20Alto%20Networks%20firewalls%20hijacked%20as%20miscreants%20exploit%20critical%20hole" target="_blank"> </a> <a data-social="twitter" class="twit" href="https://twitter.com/intent/tweet?text=1%2c000s%20of%20Palo%20Alto%20Networks%20firewalls%20hijacked%20as%20miscreants%20exploit%20critical%20hole&url=https://www.theregister.com/2024/11/22/palo_alto_firewalls_under_exploit/%3futm_medium%3dshare%26utm_content%3darticle%26utm_source%3dtwitter&via=theregister" target="_blank"> </a> <a data-social="facebook" class="faceb_dialog" href="https://www.facebook.com/dialog/feed?app_id=1404095453459035&display=popup&link=https://www.theregister.com/2024/11/22/palo_alto_firewalls_under_exploit/%3futm_medium%3dshare%26utm_content%3darticle%26utm_source%3dfacebook" target="_blank"> </a> <br class="hide_after_sm"> <a data-social="linkedin" class="linkedin_social" href="https://www.linkedin.com/shareArticle?mini=true&url=https://www.theregister.com/2024/11/22/palo_alto_firewalls_under_exploit/%3futm_medium%3dshare%26utm_content%3darticle%26utm_source%3dlinkedin&title=1%2c000s%20of%20Palo%20Alto%20Networks%20firewalls%20hijacked%20as%20miscreants%20exploit%20critical%20hole&summary=PAN-PAN%21%20Intruders%20inject%20web%20shell%20backdoors%2c%20crypto-coin%20miners%2c%20more" target="_blank"> </a> <a data-social="whatsapp" href="https://api.whatsapp.com/send?text=https://www.theregister.com/2024/11/22/palo_alto_firewalls_under_exploit/%3futm_medium%3dshare%26utm_content%3darticle%26utm_source%3dwhatsapp" target="_blank"> </a> </div> </div> </div> </div> <div class="promo_advert"> </div> </div> <div class="centre_col"> <div id="article"> <div id="body"> <p>Thousands of Palo Alto Networks firewalls were compromised by attackers exploiting two recently patched security bugs. The intruders were able to deploy web-accessible backdoors to remotely control the equipment as well as cryptocurrency miners and other malware.</p> <p>Roughly 2,000 devices had been hijacked as of Wednesday - a day after Palo Alto Networks pushed a patch for the holes - according to <a href="https://bsky.app/profile/shadowserver.bsky.social/post/3lbh6k7p7pc27" rel="nofollow">Shadowserver</a> and <a href="https://bsky.app/profile/onyphe.bsky.social/post/3lbcv5ngbys2m" rel="nofollow">Onyphe</a>. As of Thursday, the number of seemingly compromised devices had dropped to <a target="_blank" rel="nofollow" href="https://dashboard.shadowserver.org/statistics/combined/map/?map_type=std&day=2024-11-21&source=compromised_website&source=compromised_website6&tag=panos-compromised%2B&geo=all&data_set=count&scale=log">about 800</a>.</p> <p>The vendor, however, continues to talk only of a "limited number" of exploited installations.</p> <div aria-hidden="true" class="adun" data-pos="top" data-raptor="condor" data-xsm=",fluid,mpu," data-sm=",fluid,mpu," data-md=",fluid,mpu,"> <noscript> <a href="https://pubads.g.doubleclick.net/gampad/jump?co=1&iu=/6978/reg_security/cso&sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&tile=2&c=2Z0NMPxeb0I4Tip_FruDt-gAAABI&t=ct%3Dns%26unitnum%3D2%26raptor%3Dcondor%26pos%3Dtop%26test%3D0" target="_blank"> <img src="https://pubads.g.doubleclick.net/gampad/ad?co=1&iu=/6978/reg_security/cso&sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&tile=2&c=2Z0NMPxeb0I4Tip_FruDt-gAAABI&t=ct%3Dns%26unitnum%3D2%26raptor%3Dcondor%26pos%3Dtop%26test%3D0" alt=""> </a> </noscript> </div> <p>"Palo Alto Networks observed threat activity that exploits this vulnerability against a limited number of management web interfaces that are exposed to internet traffic coming from outside the network," according to the supplier's security advisories for the two flaws.</p> <div aria-hidden="true" class="adun" data-pos="top" data-raptor="falcon" data-xmd=",fluid,mpu,leaderboard," data-lg=",fluid,mpu,leaderboard," data-xlg=",fluid,billboard,superleaderboard,mpu,leaderboard," data-xxlg=",fluid,billboard,superleaderboard,brandwidth,brandimpact,leaderboard,mpu,"> <noscript> <a href="https://pubads.g.doubleclick.net/gampad/jump?co=1&iu=/6978/reg_security/cso&sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&tile=4&c=44Z0NMPxeb0I4Tip_FruDt-gAAABI&t=ct%3Dns%26unitnum%3D4%26raptor%3Dfalcon%26pos%3Dmid%26test%3D0" target="_blank"> <img src="https://pubads.g.doubleclick.net/gampad/ad?co=1&iu=/6978/reg_security/cso&sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&tile=4&c=44Z0NMPxeb0I4Tip_FruDt-gAAABI&t=ct%3Dns%26unitnum%3D426raptor%3Dfalcon%26pos%3Dmid%26test%3D0" alt=""> </a> </noscript> </div> <div class="adun_eagle_desktop_story_wrapper"> <div aria-hidden="true" class="adun" data-pos="mid" data-raptor="eagle" data-xxlg=",mpu,dmpu,"> <noscript> <a href="https://pubads.g.doubleclick.net/gampad/jump?co=1&iu=/6978/reg_security/cso&sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&tile=3&c=33Z0NMPxeb0I4Tip_FruDt-gAAABI&t=ct%3Dns%26unitnum%3D3%26raptor%3Deagle%26pos%3Dmid%26test%3D0" target="_blank"> <img src="https://pubads.g.doubleclick.net/gampad/ad?co=1&iu=/6978/reg_security/cso&sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&tile=3&c=33Z0NMPxeb0I4Tip_FruDt-gAAABI&t=ct%3Dns%26unitnum%3D3%26raptor%3Deagle%26pos%3Dmid%26test%3D0" alt=""> </a> </noscript> </div> </div> <p><em>The Register</em> has asked for clarification, including how many compromised devices Palo Alto Networks is aware of, and will update this story if and when we hear back from the vendor.</p> <p>Rumors started swirling last week about a critical security hole in Palo Alto Networks appliances that allowed remote unauthenticated attackers to execute arbitrary code on devices. Exploitation requires access to the PAN-OS management interface, either across the internet or via an internal network.</p> <div aria-hidden="true" class="adun" data-pos="top" data-raptor="falcon" data-xsm=",fluid,mpu," data-sm=",fluid,mpu," data-md=",fluid,mpu,"> <noscript> <a href="https://pubads.g.doubleclick.net/gampad/jump?co=1&iu=/6978/reg_security/cso&sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&tile=4&c=44Z0NMPxeb0I4Tip_FruDt-gAAABI&t=ct%3Dns%26unitnum%3D4%26raptor%3Dfalcon%26pos%3Dmid%26test%3D0" target="_blank"> <img src="https://pubads.g.doubleclick.net/gampad/ad?co=1&iu=/6978/reg_security/cso&sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&tile=4&c=44Z0NMPxeb0I4Tip_FruDt-gAAABI&t=ct%3Dns%26unitnum%3D426raptor%3Dfalcon%26pos%3Dmid%26test%3D0" alt=""> </a> </noscript> </div> <p>The manufacturer did eventually <a target="_blank" href="https://www.theregister.com/2024/11/15/palo_alto_networks_firewall_zeroday/">admit</a> that the firewall-busting vulnerability existed, and had been exploited as a zero-day - but it was still working on a patch.</p> <p>On Tuesday, PAN issued a fix, and at that time said there were actually <a target="_blank" href="https://www.theregister.com/2024/11/19/palo_alto_networks_patches/">two vulnerabilities</a>. The first is a critical (9.3 CVSS) authentication bypass flaw tracked as <a target="_blank" rel="nofollow" href="https://security.paloaltonetworks.com/CVE-2024-0012">CVE-2024-0012</a>. The second, a medium-severity (6.9 CVSS) privilege escalation bug tracked as <a target="_blank" rel="nofollow" href="https://security.paloaltonetworks.com/CVE-2024-9474">CVE-2024-9474</a>. </p> <p>The two can be chained together to allow remote code execution (RCE) against the PAN-OS management interface. As Wiz threat researchers <a target="_blank" rel="nofollow" href="https://www.wiz.io/blog/cve-2024-0012-pan-os-vulnerability-exploited-in-the-wild">explained</a> in a Friday blog about the two bugs:</p> <div class="blockextract"> <p>An attacker with network access to the interface can exploit CVE-2024-0012 to bypass authentication and then leverage CVE-2024-9474 to escalate privileges, ultimately gaining administrator access and executing arbitrary administrative actions. </p> </div> <p>Wiz says the exploits against the two have been observed since Sunday, and "dramatically increased" after a proof-of-concept <a target="_blank" rel="nofollow" href="https://github.com/rapid7/metasploit-framework/pull/19663">exploit</a> went public on Tuesday.</p> <ul class="listinks"> <li><a href="https://www.theregister.com/2024/11/19/palo_alto_networks_patches/">Palo Alto Networks tackles firewall-busting zero-days with critical patches</a></li> <li><a href="https://www.theregister.com/2024/11/15/palo_alto_networks_firewall_zeroday/">Mystery Palo Alto Networks hijack-my-firewall zero-day now officially under exploit</a></li> <li><a href="https://www.theregister.com/2024/11/21/qualys_needrestart_linux_vulnerabilities/">'Alarming' security bugs lay low in Linux's needrestart server utility for 10 years</a></li> <li><a href="https://www.theregister.com/2024/11/19/china_brazenbamboo_fortinet_0day/">China-linked group abuses Fortinet 0-day with post-exploit VPN-credential stealer</a></li> </ul> <p>While we don't yet know who is exploiting these vulnerabilities - we've asked Palo Alto Networks about this, too - once the attackers break in, they are using this access to deploy web shells, Sliver implants, and/or crypto miners, according to Wiz.</p> <p>"In multiple instances, we've identified re-use of the same Sliver implant (<a target="_blank" rel="nofollow" href="https://www.virustotal.com/gui/file/a3092bfa4199def7fc525465895ee3784c6fcf55f0a7e9c8436c027e0f41cb4b">b4378712adf4c92a9da20c0671a06d53cbd227c8</a>) which uses 77.221.158[.]154 as its C2 address," the threat intel team wrote. "This IP address has previously resolved the domain censysinspect[.]com, though the domain has since been parked."</p> <div aria-hidden="true" class="adun" id="story_eagle_xsm_sm_md_xmd_lg_xlg" data-pos="mid" data-raptor="eagle" data-xsm=",mpu,dmpu," data-sm=",mpu,dmpu," data-md=",mpu,dmpu," data-xmd=",mpu,dmpu," data-lg=",mpu,dmpu," data-xlg=",mpu,dmpu,"> <noscript> <a href="https://pubads.g.doubleclick.net/gampad/jump?co=1&iu=/6978/reg_security/cso&sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&tile=3&c=33Z0NMPxeb0I4Tip_FruDt-gAAABI&t=ct%3Dns%26unitnum%3D3%26raptor%3Deagle%26pos%3Dmid%26test%3D0" target="_blank"> <img src="https://pubads.g.doubleclick.net/gampad/ad?co=1&iu=/6978/reg_security/cso&sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&tile=3&c=33Z0NMPxeb0I4Tip_FruDt-gAAABI&t=ct%3Dns%26unitnum%3D3%26raptor%3Deagle%26pos%3Dmid%26test%3D0" alt=""> </a> </noscript> </div> <p>The domain also has been used as a command-and-control address for "several" other Sliver implants, some of which have been spotted on other compromised PAN-OS devices, Wiz noted.</p> <p>"This could indicate that this particular threat actor has been opportunistically compromising PAN-OS devices using various methods over a period of several months, and has also been using them to stage malware," the blog says. ®</p> <div class="wptl btm"> <noscript><strong>Get our</strong> <a href="https://whitepapers.theregister.com/" style="text-transform:uppercase">Tech Resources</a></noscript> </div> </div> <div class="article_body_btm mobile_only"> <div class="sharing_widget_story_desktop uses_overlay"> <button class="top_blob" aria-label="Share this story" title="Share this story"> <img width="25" height="25" src="/design_picker/d2e337b97204af4aa34dda04c4e5d56d954b216f/graphics/icons/social_share_icon.svg" alt=""> <span>Share</span> </button> <div class="sharing_widget_overlay" id="sharing_widget_overlay_3"> <div class="sharing_box"> <a 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