Headline
Update now! Apple issues patches for three actively used zero-days
Categories: Exploits and vulnerabilities Categories: News Tags: Apple
Tags: RSR
Tags: CVE-2023-32409
Tags: CVE-2023-28204
Tags: CVE-2023-32373
Tags: out of bounds
Tags: use after free
Apple issued information about patches against three actively exploited zero-days in WebKit. One vulnerability is new, two were patched earlier this month.
(Read more…)
The post Update now! Apple issues patches for three actively used zero-days appeared first on Malwarebytes Labs.
Apple has rolled out security updates for Safari 16.5, watchOS 9.5, tvOS 16.5, iOS 16.5, iPadOS 16.5, iOS 15.7.6, iPadOS 15.7.6, macOS Big Sur 11.7.7, macOS Ventura 13.4, and macOS Monterey 12.6.6.
Among the security updates were patches for three actively exploited zero-day vulnerabilities. All these actively exploited vulnerabilities are directly related to the WebKit browser engine.
WebKit is the engine that powers the Safari web browser on Macs as well as all browsers on iOS and iPadOS (all web browsers on iOS and iPadOS are obliged to use it). It is also the web browser engine used by Mail, App Store, and many other apps on macOS, iOS, and Linux.
Devices impacted by the identified exploits include:
- All iPad Pro models
- iPad Air (3rd generation and later)
- iPad (5th generation and later)
- iPad Mini (5th generation and later)
- iPhone 6s and later models
- Mac workstations and laptops running macOS, Big Sur, Monterey, and Ventura
- Apple Watch (series 4 and later)
- Apple TV 4K and HD
The updates may already have reached you in your regular update routines, but it doesn’t hurt to check if your device is at the latest update level. If a Safari update is available for your device, you can get it by updating or upgrading macOS, iOS, or iPadOS:
- How to update your iPhone or iPad.
- How to update macOS on Mac.
The Common Vulnerabilities and Exposures (CVE) database lists publicly disclosed computer security flaws. The CVE containing the information about the new zero-day is:
- CVE-2023-32409: An issue where remote attacker may be able to break out of Web Content sandbox was addressed with improved bounds checks.
The notes about the security updates also revealed some information about the Apple’s Rapid Security Response (RSR) update we reported about earlier this month.
RSR is a new type of software patch delivered between Apple’s regular, scheduled software updates. Previously, Apple security fixes came bundled along with features and improvements, but RSRs only carry security fixes. They’re meant to make the deployment of security improvements faster and more frequent.
We now know that the CVEs patched in that RSR update are listed as:
- CVE-2023-28204: An out-of-bounds read issue in WebKit was addressed with improved input validation. Processing web content may disclose sensitive information.
- CVE-2023-32373: A use-after-free issue in WebKit which was addressed with improved memory management. Processing maliciously crafted web content may lead to arbitrary code execution.
An out-of-bounds write or read flaw makes it possible to manipulate parts of the memory which are allocated to more critical functions. This could allow an attacker to write code to a part of the memory where it will be executed with permissions that the program and user should not have.
Use after free (UAF) is a vulnerability due to incorrect use of dynamic memory during a program’s operation. If after freeing a memory location a program does not clear the pointer to that memory, an attacker can use the error to manipulate the program.
We don’t just report on vulnerabilities—we identify them, and prioritize action.
Cybersecurity risks should never spread beyond a headline. Keep vulnerabilities in tow by using Malwarebytes Vulnerability and Patch Management.
Related news
Gentoo Linux Security Advisory 202401-4 - Several vulnerabilities have been found in WebKitGTK+, the worst of which can lead to remote code execution. Versions greater than or equal to 2.42.3:4 are affected.
The vulnerability is among a rapidly growing number of zero-day bugs that major browser vendors have reported recently.
Ubuntu Security Notice 6264-1 - Several security issues were discovered in the WebKitGTK Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution.
Categories: Exploits and vulnerabilities Categories: News Tags: Apple Tags: WebKit Tags: CVE-2023-38606 Tags: CVE-2023-32409 Tags: CVE-2023-37450 Tags: CVE-2023-32416 Apple has released security updates for several products to address several serious vulnerabilities including some actively exploited zero-days. (Read more...) The post Update now! Apple fixes several serious vulnerabilities appeared first on Malwarebytes Labs.
A permissions issue was addressed by removing vulnerable code and adding additional checks. This issue is fixed in macOS Ventura 13.4. An app may be able to bypass Privacy preferences
This issue was addressed by restricting options offered on a locked device. This issue is fixed in watchOS 9.5. An attacker with physical access to a locked Apple Watch may be able to view user photos or contacts via accessibility features
A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 9.5, iOS 15.7.6 and iPadOS 15.7.6, macOS Ventura 13.4, Safari 16.5, tvOS 16.5, iOS 16.5 and iPadOS 16.5. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
A type confusion issue was addressed with improved checks. This issue is fixed in iOS 16.5 and iPadOS 16.5, macOS Ventura 13.4, watchOS 9.5, tvOS 16.5. An app may be able to execute arbitrary code with kernel privileges
A denial-of-service issue was addressed with improved memory handling. This issue is fixed in iOS 16.5 and iPadOS 16.5, macOS Ventura 13.4. Opening a PDF file may lead to unexpected app termination
Apple on Wednesday released a slew of updates for iOS, iPadOS, macOS, watchOS, and Safari browser to address a set of flaws it said were actively exploited in the wild. This includes a pair of zero-days that have been weaponized in a mobile surveillance campaign called Operation Triangulation that has been active since 2019. The exact threat actor behind the campaign is not known.
Debian Linux Security Advisory 5427-1 - An anonymous researcher discovered that processing web content may disclose sensitive information. Apple is aware of a report that this issue may have been actively exploited. An anonymous researcher discovered that processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
Red Hat Security Advisory 2023-3433-01 - WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Issues addressed include out of bounds read and use-after-free vulnerabilities.
Red Hat Security Advisory 2023-3432-01 - WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Issues addressed include out of bounds read and use-after-free vulnerabilities.
Plus: Microsoft patches two zero-day flaws, Google’s Android and Chrome get some much-needed updates, and more.
Steam, the most popular video game storefront on PCs, only recently announced that it was ending support for Windows 7 and 8, and even then, it won’t be official until January.
In an advisory released by the company, Apple revealed patches for three previously unknown bugs it says may already have been used by attackers.
Apple on Thursday rolled out security updates to iOS, iPadOS, macOS, tvOS, watchOS, and the Safari web browser to address three new zero-day flaws that it said are being actively exploited in the wild. The three security shortcomings are listed below - CVE-2023-32409 - A WebKit flaw that could be exploited by a malicious actor to break out of the Web Content sandbox. It was addressed with
Apple on Thursday rolled out security updates to iOS, iPadOS, macOS, tvOS, watchOS, and the Safari web browser to address three new zero-day flaws that it said are being actively exploited in the wild. The three security shortcomings are listed below - CVE-2023-32409 - A WebKit flaw that could be exploited by a malicious actor to break out of the Web Content sandbox. It was addressed with
Apple on Thursday rolled out security updates to iOS, iPadOS, macOS, tvOS, watchOS, and the Safari web browser to address three new zero-day flaws that it said are being actively exploited in the wild. The three security shortcomings are listed below - CVE-2023-32409 - A WebKit flaw that could be exploited by a malicious actor to break out of the Web Content sandbox. It was addressed with