FKIE_CVE-2021-31611

Vulnerability from fkie_nvd - Published: 2021-09-07 07:15 - Updated: 2024-11-21 06:06
Severity ?
5.7 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Summary
The Bluetooth Classic implementation on Zhuhai Jieli AC690X and AC692X devices does not properly handle an out-of-order LMP Setup procedure that is followed by a malformed LMP packet, allowing attackers in radio range to deadlock a device via a crafted LMP packet. The user needs to manually reboot the device to restore communication.
References
cve@mitre.orghttp://www.zh-jieli.com/product/68-cn.htmlVendor Advisory
cve@mitre.orghttps://dl.packetstormsecurity.net/papers/general/braktooth.pdfBroken Link
cve@mitre.orghttps://launchstudio.bluetooth.com/ListingDetails/19746Third Party Advisory
cve@mitre.orghttps://launchstudio.bluetooth.com/ListingDetails/58628Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.zh-jieli.com/product/68-cn.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://dl.packetstormsecurity.net/papers/general/braktooth.pdfBroken Link
af854a3a-2127-422b-91ae-364da2661108https://launchstudio.bluetooth.com/ListingDetails/19746Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://launchstudio.bluetooth.com/ListingDetails/58628Third Party Advisory
Impacted products
Vendor Product Version
zh-jieli ac6901_firmware -
zh-jieli ac6901 -
zh-jieli ac6925_firmware -
zh-jieli ac6925 -
zh-jieli ac6926_firmware -
zh-jieli ac6926 -
zh-jieli ac6928_firmware -
zh-jieli ac6928 -
zh-jieli ac6921_firmware -
zh-jieli ac6921 -
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.