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Entries Tagged "iOS"

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Possible US Government iPhone Hacking Tool Leaked

Wired writes (alternate source):

Security researchers at Google on Tuesday released a report describing what they’re calling “Coruna,” a highly sophisticated iPhone hacking toolkit that includes five complete hacking techniques capable of bypassing all the defenses of an iPhone to silently install malware on a device when it visits a website containing the exploitation code. In total, Coruna takes advantage of 23 distinct vulnerabilities in iOS, a rare collection of hacking components that suggests it was created by a well-resourced, likely state-sponsored group of hackers.

[…]

Coruna’s code also appears to have been originally written by English-speaking coders, notes iVerify’s cofounder Rocky Cole. “It’s highly sophisticated, took millions of dollars to develop, and it bears the hallmarks of other modules that have been publicly attributed to the US government,” Cole tells WIRED. “This is the first example we’ve seen of very likely US government tools­based on what the code is telling us­spinning out of control and being used by both our adversaries and cybercriminal groups.”

TechCrunch reports that Coruna is definitely of US origin:

Two former employees of government contractor L3Harris told TechCrunch that Coruna was, at least in part, developed by the company’s hacking and surveillance tech division, Trenchant. The two former employees both had knowledge of the company’s iPhone hacking tools. Both spoke on condition of anonymity because they weren’t authorized to talk about their work for the company.

It’s always super interesting to see what malware looks like when it’s created through a professional software development process. And the TechCrunch article has some speculation as to how the US lost control of it. It seems that an employee of L3Harris’s surviellance tech division, Trenchant, sold it to the Russian government.

Posted on April 2, 2026 at 6:05 AM • View Comments

Security Vulnerabilities in ICEBlock

The ICEBlock tool has vulnerabilities:

The developer of ICEBlock, an iOS app for anonymously reporting sightings of US Immigration and Customs Enforcement (ICE) officials, promises that it “ensures user privacy by storing no personal data.” But that claim has come under scrutiny. ICEBlock creator Joshua Aaron has been accused of making false promises regarding user anonymity and privacy, being “misguided” about the privacy offered by iOS, and of being an Apple fanboy. The issue isn’t what ICEBlock stores. It’s about what it could accidentally reveal through its tight integration with iOS.

Posted on July 17, 2025 at 7:06 AM • View Comments

Critical Vulnerability in libwebp Library

Both Apple and Google have recently reported critical vulnerabilities in their systems—iOS and Chrome, respectively—that are ultimately the result of the same vulnerability in the libwebp library:

On Thursday, researchers from security firm Rezillion published evidence that they said made it “highly likely” both indeed stemmed from the same bug, specifically in libwebp, the code library that apps, operating systems, and other code libraries incorporate to process WebP images.

Rather than Apple, Google, and Citizen Lab coordinating and accurately reporting the common origin of the vulnerability, they chose to use a separate CVE designation, the researchers said. The researchers concluded that “millions of different applications” would remain vulnerable until they, too, incorporated the libwebp fix. That, in turn, they said, was preventing automated systems that developers use to track known vulnerabilities in their offerings from detecting a critical vulnerability that’s under active exploitation.

EDITED TO ADD (10/12): Google quietly corrected their disclosure.

Posted on September 27, 2023 at 7:08 AM • View Comments

Zero-Click Exploit in iPhones

Make sure you update your iPhones:

Citizen Lab says two zero-days fixed by Apple today in emergency security updates were actively abused as part of a zero-click exploit chain (dubbed BLASTPASS) to deploy NSO Group’s Pegasus commercial spyware onto fully patched iPhones.

The two bugs, tracked as CVE-2023-41064 and CVE-2023-41061, allowed the attackers to infect a fully-patched iPhone running iOS 16.6 and belonging to a Washington DC-based civil society organization via PassKit attachments containing malicious images.

“We refer to the exploit chain as BLASTPASS. The exploit chain was capable of compromising iPhones running the latest version of iOS (16.6) without any interaction from the victim,” Citizen Lab said.

“The exploit involved PassKit attachments containing malicious images sent from an attacker iMessage account to the victim.”

Posted on September 13, 2023 at 7:13 AM • View Comments

Operation Triangulation: Zero-Click iPhone Malware

Kaspersky is reporting a zero-click iOS exploit in the wild:

Mobile device backups contain a partial copy of the filesystem, including some of the user data and service databases. The timestamps of the files, folders and the database records allow to roughly reconstruct the events happening to the device. The mvt-ios utility produces a sorted timeline of events into a file called “timeline.csv,” similar to a super-timeline used by conventional digital forensic tools.

Using this timeline, we were able to identify specific artifacts that indicate the compromise. This allowed to move the research forward, and to reconstruct the general infection sequence:

  • The target iOS device receives a message via the iMessage service, with an attachment containing an exploit.
  • Without any user interaction, the message triggers a vulnerability that leads to code execution.
  • The code within the exploit downloads several subsequent stages from the C&C server, that include additional exploits for privilege escalation.
  • After successful exploitation, a final payload is downloaded from the C&C server, that is a fully-featured APT platform.
  • The initial message and the exploit in the attachment is deleted

The malicious toolset does not support persistence, most likely due to the limitations of the OS. The timelines of multiple devices indicate that they may be reinfected after rebooting. The oldest traces of infection that we discovered happened in 2019. As of the time of writing in June 2023, the attack is ongoing, and the most recent version of the devices successfully targeted is iOS 15.7.

No attribution as of yet.

Posted on June 9, 2023 at 7:12 AM • View Comments

New Zero-Click Exploits against iOS

Citizen Lab has identified three zero-click exploits against iOS 15 and 16. These were used by NSO Group’s Pegasus spyware in 2022, and deployed by Mexico against human rights defenders. These vulnerabilities have all been patched.

One interesting bit is that Apple’s Lockdown Mode (part of iOS 16) seems to have worked to prevent infection.

News article.

EDITED TO ADD (4/21): News article. Good Twitter thread.

Posted on April 20, 2023 at 6:47 AM • View Comments

Apple Patches iPhone Zero-Day

The most recent iPhone update—to version 16.2—patches a zero-day vulnerability that “may have been actively exploited against versions of iOS released before iOS 15.1.”

News:

Apple said security researchers at Google’s Threat Analysis Group, which investigates nation state-backed spyware, hacking and cyberattacks, discovered and reported the WebKit bug.

WebKit bugs are often exploited when a person visits a malicious domain in their browser (or via the in-app browser). It’s not uncommon for bad actors to find vulnerabilities that target WebKit as a way to break into the device’s operating system and the user’s private data. WebKit bugs can be “chained” to other vulnerabilities to break through multiple layers of a device’s defenses.

Posted on December 16, 2022 at 7:04 AM • View Comments

Apple’s Device Analytics Can Identify iCloud Users

Researchers claim that supposedly anonymous device analytics information can identify users:

On Twitter, security researchers Tommy Mysk and Talal Haj Bakry have found that Apple’s device analytics data includes an iCloud account and can be linked directly to a specific user, including their name, date of birth, email, and associated information stored on iCloud.

Apple has long claimed otherwise:

On Apple’s device analytics and privacy legal page, the company says no information collected from a device for analytics purposes is traceable back to a specific user. “iPhone Analytics may include details about hardware and operating system specifications, performance statistics, and data about how you use your devices and applications. None of the collected information identifies you personally,” the company claims.

Apple was just sued for tracking iOS users without their consent, even when they explicitly opt out of tracking.

Posted on November 22, 2022 at 10:28 AM • View Comments

Apple Only Commits to Patching Latest OS Version

People have suspected this for a while, but Apple has made it official. It only commits to fully patching the latest version of its OS, even though it claims to support older versions.

From ArsTechnica:

In other words, while Apple will provide security-related updates for older versions of its operating systems, only the most recent upgrades will receive updates for every security problem Apple knows about. Apple currently provides security updates to macOS 11 Big Sur and macOS 12 Monterey alongside the newly released macOS Ventura, and in the past, it has released security updates for older iOS versions for devices that can’t install the latest upgrades.

This confirms something that independent security researchers have been aware of for a while but that Apple hasn’t publicly articulated before. Intego Chief Security Analyst Joshua Long has tracked the CVEs patched by different macOS and iOS updates for years and generally found that bugs patched in the newest OS versions can go months before being patched in older (but still ostensibly “supported”) versions, when they’re patched at all.

Posted on October 31, 2022 at 6:29 AM • View Comments

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Sidebar photo of Bruce Schneier by Joe MacInnis.