Google: Turn off VoLTE, Wi-Fi calling due to severe Exynos modem vulnerabilities on Pixel 6, more

Google’s Job Absolutely no group discovered serious 0-day susceptabilities with the Samsung Exynos modems utilized on the Pixel 6 as well as 7, Samsung phones as well as wearables, as well as various other gadgets that necessitate disabling VoLTE as well as Wi-Fi calling till covered.

Understood for discovering 0-days, Job Absolutely no reported 18 susceptabilities in Exynos modems in late 2022 as well as very early 2023. 4 of the susceptabilities, consisting of CVE-2023-24033, entail internet-to-baseband remote code implementation (focus ours):

Examinations performed by Job Absolutely no verify that those 4 susceptabilities enable an opponent to from another location endanger a phone at the baseband degree without customer communication, as well as call for just that the aggressor recognize the target’s contact number With restricted extra r & d, our company believe that knowledgeable assailants would certainly have the ability to swiftly produce a functional manipulate to endanger impacted gadgets calmly as well as from another location

On The Other Hand, the various other 14 susceptabilities are thought about not as serious as they “call for either a harmful mobile network driver or an opponent with neighborhood accessibility to the tool.”

According to Samsung Semiconductor (January 2023), these are the impacted chipsets: Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1080, as well as Exynos Automobile T5123. Google assembled a checklist of most likely impacted items:

  • Mobile phone from Samsung, consisting of those in the S22, M33, M13, M12, A71, A53, A33, A21, A13, A12 as well as A04 collection;
  • Mobile phone from Vivo, consisting of those in the S16, S15, S6, X70, X60 as well as X30 collection;
  • The Pixel 6 as well as Pixel 7 collection of gadgets from Google;
  • any type of wearables that make use of the Exynos W920 chipset; as well as
  • any type of lorries that make use of the Exynos Automobile T5123 chipset.

Besides the Pixel 6 (Exynos 5123) and 7 (Exynos 5300), this consists of the Galaxy Watch 4 as well as 5. The major CVE-2023-24033 susceptability was repaired with the March 2023 security patch that presented on Monday however must havecome a week earlier

Nonetheless, the Pixel 6, 6 Pro, as well as 6a have yet to see that upgrade as well as are presently susceptible. Job Absolutely no’s recommendations for those still impacted complies with:

Up until safety and security updates are offered, individuals that want to safeguard themselves from the baseband remote code implementation susceptabilities in Samsung’s Exynos chipsets can shut off Wi-Fi calls as well as Voice-over-LTE (VoLTE) in their tool setups. Switching off these setups will certainly get rid of the exploitation threat of these susceptabilities.

On The Other Hand, Job Absolutely no is making a “plan exemption to postpone disclosure for the 4 susceptabilities that enable Internet-to-baseband remote code implementation.” This is “as a result of a really unusual mix of degree of accessibility these susceptabilities supply as well as the rate with which our company believe a reputable functional manipulate might be crafted.”

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