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[Samsung Responded] Severe Exynos modem vulnerabilities found, these models are affected

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Galaxy S22 March 2024 security update

Google Project Zero team found severe 0-day vulnerabilities with the Samsung Exynos modem. Affected Exynos modem used in various Samsung devices including the Galaxy S22 series along with the Google Pixel 6a/6/6 Pro and Galaxy wearables.

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According to the information, Project Zero reported 18 vulnerabilities in Exynos modems in late 2022 and early 2023. And notably, four of the flaws, including CVE-2023-24033, involve internet-to-baseband remote code execution:

Tests conducted by Project Zero confirm that those four vulnerabilities allow an attacker to remotely compromise a phone at the baseband level with no user interaction, and require only that the attacker know the victim’s phone number. With limited additional research and development, we believe that skilled attackers would be able to quickly create an operational exploit to compromise affected devices silently and remotely.

Among 18, 14 are not considered as severe because they “require either a malicious mobile network operator or an attacker with local access to the device.” The team is making a “policy exception to delay disclosure for the four vulnerabilities that allow for internet-to-baseband remote code execution.”

Affected devices

Samsung Semiconductor (January 2023) data reveals that Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1080, and Exynos Auto T5123 are affected chipsets.

Google compiled a list of likely affected products:

Samsung Galaxy:

  • S22 series
  • M33
  • M13
  • M12
  • A71
  • A53
  • A33
  • A21
  • A13
  • A12
  • A04 series
  • Watch 4 series
  • Watch 5 series

Google:

  • Pixel 6 and 6 Pro
  • Pixel 6a
  • Pixel 7 and 7 Pro

Vivo:

  • S16
  • S15
  • S6
  • X70
  • X60
  • X30 series

Wearable:

  • Any wearables that use the Exynos W920 chipset

Vehicle:

  • Any vehicles that use the Exynos Auto T5123 chipset

Samsung Exynos Modem vulnerabilities

Samsung March 2023 Patch

Samsung detailed the March 2023 security patch earlier this month, which doesn’t provide fixes to the severe CVE-2023-24033 vulnerability. At the same time, Google listed the CVE in its March 2023 Android security bulletin, which started to roll out to Pixel devices on Monday.

Here’s what Samsung said:

At the end of last year, we received a security issue notification for Google project zero, and Samsung has provided all customers with a patch version for this vulnerability, and the related issues have now been resolved.

| Via |

James is the lead content creator on Sammy Fans and mostly works on Samsung's firmware section. His first phone was the Galaxy S4 and continues to get new S series devices. Most of the time, James tries to learn about new technologies and gadgets but he also sneaks a bit of free time to nearby rivers and nature.

Android

Android 15 DP2 introduces ‘Audio Sharing’ feature for shared listening experience

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Android 15 audio Sharing

Google brings a new feature called Audio Sharing with Android 15 DP2. This new feature allows a device to broadcast audio to multiple Bluetooth headphones simultaneously. This is mainly useful for sharing music or videos with others without the need for additional things or hardware.

Audio sharing is made possible by advancements in Bluetooth technology, including the new Bluetooth LE Audio standard. One of the key benefits of this technology is “Auracast,” which can broadcast audio to several listeners at once. This has significant applications, such as helping individuals with hearing impairments or those requiring language translation services.

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Currently, within Android 15’s settings, there is a section for “Audio sharing” that includes a toggle switch and a test sound feature. However, these are early versions and may not be fully operational.

As development progresses, the “Audio sharing” feature in Android 15 is expected to improve and offer a more user-friendly and inclusive audio experience.

Samsung Auracast Feature

Auracast is a feature that allows users to broadcast the audio they are playing on their devices to nearby Bluetooth-enabled devices, such as headphones, speakers, or other phones.

Samsung announced One UI 6.1 update will bring several new features and enhancements along with the Auracast support to the Galaxy S23 series except for the S23 FE, the Galaxy Z Flip 5, and the Galaxy Z Fold 5.

Samsung brings Auracast to more devices with One UI 6.1

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Android 15 DP2 brings app archiving to system settings

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Android 15 App archiving feature

Google recently released the Android 15 Developer Preview 2, which introduces several new features, one of which is App Archiving. This feature helps to manage apps that are not used frequently.

The app archiving feature allows users to archive apps directly from the system Settings, offering a more organized and efficient way to manage unused applications. Users can easily identify archived apps on the home screen and app launcher, with their icons grayed out and marked by a cloud/download symbol.

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In the app information section, users will find an “Archive” button next to the “Uninstall” option. With a simple tap, apps are archived, confirmed by a toast message. Previously, users had to navigate to the top-right corner to find the “Open” option. It should be noted that this function does not apply to system apps.

Android 15 app archiving

Users can get these apps again from the Play Store or choose to “restore” them from the app information. Android 15 will take back the permissions that were previously set for the app after it is restored.

Although this app archiving capability is not yet integrated with Google Play’s similar feature. Additionally, the “Pause app activity if unused” toggle has been renamed to “Manage app if unused,” which now includes removing permissions, deleting temporary files, stopping notifications, and storing apps.

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Google Android 15 Developer Preview 2 Released: What’s New

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Android 15 audio Sharing

Google has announced Android 15 Developer Preview 2 for Pixel 6, Pixel 6 Pro, Pixel 6a, Pixel 7, Pixel 7 Pro, Pixel 7a, Pixel Tablet, Pixel Fold, Pixel 8, and Pixel 8 Pro, as well as the Android Emulator. This update adds new features and improves the features introduced in the first Developer Preview.

Android 15 Developer Preview 2

Android 15 DP2 brings support for satellite connectivity that allows users to send and receive messages even when they are out of range of mobile or Wi-Fi networks. A new notification and status bar icon will inform users when they are connected to a satellite. It also supports SMS/ MMS apps as well as preloaded RCS apps to use satellite connectivity for sending and receiving messages.

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Android 15 Developer Preview 2

The update brings improvements to the NFC tap-to-pay system. Additionally, developers now have the option to run apps on the smaller cover screens found on flippable devices, despite these screens being considered too small for Android apps.

For security, Android 15 enables applications to detect when a screen recording is taking place, which adds an extra layer of privacy for users. Developers are also given more detailed information about app launch conditions and the size of their applications, which can help in optimizing performance.

The mediaProcessing Foreground Service allows for lengthy operations on media files, such as format conversion, with a runtime limit set for future releases. Android 15 also allows the control of HDR headroom when SDR and HDR content appear.

Audio experiences are enhanced with the inclusion of the CTA-2075 loudness standard. There are now more new options for apps that customize DND mode. It adds types, icon, triggerDescription string, and ZenDeviceEffects to Automatic ZenRule.

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