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Google: Commercial Spyware Used by Governments Laden With Zero-Day Exploits

Google TAG researchers reveal two campaigns against iOS, Android, and Chrome users that demonstrate how the commercial surveillance market is thriving despite government-imposed limits.

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#vulnerability#web#ios#android#apple#google#linux#git#c++#rce#asus#samsung#xiaomi#zero_day#chrome#webkit

Researchers from Google’s Threat Analysis Group (TAG) have discovered two separate, highly-targeted campaigns that use various, unpatched zero-day exploits against users of both iPhone and Android smartphones to deploy spyware.

The discoveries — revealed in a blog post on March 29 — are the result of active tracking that Google TAG does of commercial spyware vendors, with more than 30 of them currently on the radar screen, the researchers said. These vendors sell exploits or surveillance capabilities to state-sponsored threat actors, thus “enabling the proliferation of dangerous hacking tools, arming governments that would not be able to develop these capabilities in-house,” the researchers wrote. These are often used to target dissidents, journalists, human rights workers, and opposition-party politicians in potentially life-threatening ways, they noted.

The use of surveillance technologies is currently legal under most national or international laws, and governments have abused these laws and technologies to target individuals that don’t align with their agendas. However, since this abuse came under international scrutiny due to the revelation of governments abusing NSO Group’s Pegasus mobile spyware to target iPhone users, regulators and vendors alike have been cracking down on the production of and use of commercial spyware.

In fact, on March 28, the Biden administration issued an executive order that falls short of an outright ban on spyware, but restricts the use of commercial surveillance tools by the federal government.

Google’s findings this week show that those efforts have done little to thwart the commercial-spyware scene, and “underscore the extent to which commercial surveillance vendors have proliferated capabilities historically only used by governments with the technical expertise to develop and operationalize exploits,” TAG researchers wrote in the post.

Specifically, the researchers discovered what they characterize as two “distinct, limited, and highly targeted” campaigns aimed at users of Android, iOS, and Chrome on mobile devices. Both use zero-day exploits and n-day exploits. Regarding the latter, the campaigns take particular advantage of the period of time between when vendors release fixes for vulnerabilities and when the hardware manufacturers actually update end-user devices with those patches, creating exploits for unpatched platforms, the researchers said.

This demonstrates that those creating the exploits are keeping a close eye on vulnerabilities that they can exploit for nefarious purposes and are likely colluding to maximize the potential for using them to compromise targeted devices, according to TAG. The campaigns also suggest that surveillance software vendors share exploits and techniques to enable the proliferation of dangerous hacking tools, the researchers wrote in the post.

The iOS/Android Spyware Campaign

The first campaign that researchers outlined was discovered in November and exploits two vulnerabilities in iOS and three in Android, including at least one zero-day flaw each.

Researchers found initial access attempts that affect both Android and iOS devices that were delivered via bit.ly links sent over SMS to users located in Italy, Malaysia, and Kazakhstan, they said. The links redirected visitors to pages hosting exploits for either Android or iOS, then redirected them to legitimate websites — “such as a page to track shipments for Italian-based shipment and logistics company BRT, or a popular Malaysian news website,” researchers wrote in the post.

The iOS exploit chain targeted versions prior to 15.1 and included an exploit for a WebKit remote code execution (RCE) flaw, tracked as CVE-2022-42856, but a zero-day at the time of the exploit. It involves a type confusion issue within the JIT compiler, the exploit used a PAC bypass technique fixed in March 2022 by Apple. The attack also exploited a sandbox escape and privilege escalation bug in AGXAccelerator, tracked as CVE-2021-30900, which was fixed by Apple in iOS 15.1.

The final payload of the iOS campaign was a simple stager that pings back the GPS location of the device and also allows the attacker to install an .IPA file (iOS application archive) onto the affected handset, researchers said. This file can be used to steal information.

The Android exploit chain in the campaign targeted users on devices that use an ARM GPU running Chrome versions prior to 106, the researchers said. There were three vulnerabilities exploited: CVE-2022-3723, a type confusion vulnerability in Chrome that was fixed in last October in version 107.0.5304.87, CVE-2022-4135, a Chrome GPU sandbox bypass only affecting Android that was a zero-day when exploited and fixed in November, and CVE-2022-38181, a privilege escalation bug fixed by ARM last August.

The significance of attacking ARM and CVE-2022-38181 in particular is that when the fix for this flaw was initially released, several vendors — including Pixel, Samsung, Xiaomi, and Oppo — did not incorporate the patch, giving attackers several months to freely exploit the bug, researchers said.

Samsung Browser Cyber-Espionage Campaign

Google TAG researchers discovered the second campaign, which includes a complete exploit chain using both zero-days and n-days to target the latest version of Samsung Internet Browser, in December. The browser runs on Chromium 102 and has not been updated to include recent mitigations, which would have required attackers to do additional work to carry out the exploit, the researchers said.

Attackers delivered the exploits in one-time links sent via SMS to devices located in the United Arab Emirates (UAE), the researchers said. The link directed users to a landing page identical to one present in the Heliconia framework developed by commercial spyware vendor Variston, they added.

The payload of the exploit in this case was a C+±based, “fully-featured Android spyware suite” that included libraries for decrypting and capturing data from various chat and browser applications, the researchers wrote. They suspect that the actor involved may be a customer, partner, or otherwise close affiliate of Variston.

Flaws exploited in the chain were CVE-2022-4262, a type confusion vulnerability in Chrome that was a zero-day at time of exploitation, CVE-2022-3038, a sandbox escape in Chrome fixed in version 105 in June 2022, CVE-2022-22706, a vulnerability in Mali GPU Kernel Driver fixed by ARM in January 2022, and CVE-2023-0266, a race condition vulnerability in the Linux kernel sound subsystem providing kernel read and write access that was a zero-day at the time of exploitation.

“The exploit chain also took advantage of multiple kernel information leak zero-days when exploiting CVE-2022-22706 and CVE-2023-0266” that Google reported to ARM and Samsung, the researchers wrote.

Limiting Spyware & Protecting Mobile Users

TAG researchers provided a list of indicators of compromise (IoC) to help device users know if they’re being targeted by the campaigns. They also stressed how important it is for vendors as well as users to update their mobile devices with the latest patches as quickly as possible after vulnerabilities and/or exploits for them are discovered.

“A big takeaway here would be to use fully updated software on fully updated devices,” Google TAG researchers say in response to questions posed by Dark Reading. “In this case, none of the exploit chains described would have worked.”

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Update Chrome Browser Now to Patch New Actively Exploited Zero-Day Flaw

Google on Thursday released software updates to address yet another zero-day flaw in its Chrome web browser. Tracked as CVE-2022-4135, the high-severity vulnerability has been described as a heap buffer overflow in the GPU component. Clement Lecigne of Google's Threat Analysis Group (TAG) has been credited with reporting the flaw on November 22, 2022. Heap-based buffer overflow bugs can be

Update Chrome Browser Now to Patch New Actively Exploited Zero-Day Flaw

Google on Thursday released software updates to address yet another zero-day flaw in its Chrome web browser. Tracked as CVE-2022-4135, the high-severity vulnerability has been described as a heap buffer overflow in the GPU component. Clement Lecigne of Google's Threat Analysis Group (TAG) has been credited with reporting the flaw on November 22, 2022. Heap-based buffer overflow bugs can be

GHSA-995f-9x5r-2rcj: Heap buffer overflow in GPU

Heap buffer overflow in GPU in Google Chrome prior to 107.0.5304.121 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

CVE-2022-4135: Stable Channel Update for Desktop

Heap buffer overflow in GPU in Google Chrome prior to 107.0.5304.121 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

Microsoft Issues Patches to Fix 6 Active 0-Day Windows Vulnerabilities

By Deeba Ahmed Microsoft has urged Windows Administrators to install the updates urgently so make sure you have the latest patches installed! This is a post from HackRead.com Read the original post: Microsoft Issues Patches to Fix 6 Active 0-Day Windows Vulnerabilities

Install Latest Windows Update ASAP! Patches Issued for 6 Actively Exploited Zero-Days

Microsoft's latest round of monthly security updates has been released with fixes for 68 vulnerabilities spanning its software portfolio, including patches for six actively exploited zero-days. 12 of the issues are rated Critical, two are rated High, and 55 are rated Important in severity. This also includes the weaknesses that were closed out by OpenSSL the previous week. Also separately

CVE-2022-3723

Type confusion in V8 in Google Chrome prior to 107.0.5304.87 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chrome security severity: High)

A Chrome fix for an in-the-wild exploit is out—Check your version

Categories: Exploits and vulnerabilities Categories: News Google has issued an update for Chrome to fix an issue in the V8 JavaScript engine (Read more...) The post A Chrome fix for an in-the-wild exploit is out—Check your version appeared first on Malwarebytes Labs.

Urgent: Google Issues Emergency Patch for Chrome Zero-Day

With scant details attached, Google Chrome seeks to shore up yet another exploited zero-day vulnerability.

Google Issues Urgent Chrome Update to Patch Actively Exploited Zero-Day Vulnerability

Google on Thursday rolled out emergency fixes to contain an actively exploited zero-day flaw in its Chrome web browser. The vulnerability, tracked as CVE-2022-3723, has been described as a type confusion flaw in the V8 JavaScript engine. Security researchers Jan Vojtěšek, Milánek, and Przemek Gmerek of Avast have been credited with reporting the flaw on October 25, 2022. "Google is aware of

Gentoo Linux Security Advisory 202209-23

Gentoo Linux Security Advisory 202209-23 - Multiple vulnerabilities have been found in Chromium and its derivatives, the worst of which could result in remote code execution. Versions less than 105.0.5195.125 are affected.

CVE-2022-3038

Use after free in Network Service in Google Chrome prior to 105.0.5195.52 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Google Fixes 24 Vulnerabilities With New Chrome Update

But one issue that lets websites overwrite content on a user's system clipboard appears unfixed in the new Version 105 of Chrome.

CVE-2021-30903: About the security content of iOS 14.8.1 and iPadOS 14.8.1

This issue was addressed with improved checks. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1. A local attacker may be able to cause unexpected application termination or arbitrary code execution.

CVE-2021-30922: About the security content of macOS Big Sur 11.6.1

Multiple out-of-bounds write issues were addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges.

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Apple Urgently Patches Actively Exploited Zero-Days