CVE-2017-8851

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Summary

CVECVE-2017-8851
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-05-11 18:29:00 UTC
Updated2019-10-03 00:03:00 UTC
DescriptionAn issue was discovered on OnePlus One and X devices. Due to a lenient updater-script on the OnePlus One and X OTA images, the fact that both products use the same OTA verification keys, and the fact that both products share the same 'ro.build.product' system property, attackers can install OTAs of one product over the other, even on locked bootloaders. That could theoretically allow for exploitation of vulnerabilities patched on one image but not on the other, in addition to expansion of the attack surface. Moreover, the vulnerability may result in having the device unusable until a Factory Reset is performed. This vulnerability can be exploited by Man-in-the-Middle (MiTM) attackers targeting the update process. This is possible because the update transaction does not occur over TLS (CVE-2016-10370). In addition, physical attackers can reboot the phone into recovery, and then use 'adb sideload' to push the OTA.

Risk And Classification

Problem Types: CWE-319

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Oneplus Oneplus One - All All All
Hardware Oneplus Oneplus One - All All All
Hardware Oneplus Oneplus X - All All All
Hardware Oneplus Oneplus X - All All All
Operating System Oneplus Oxygenos All All All All
Operating System Oneplus Oxygenos All All All All

References

ReferenceSourceLinkTags
[CVE-2017-8851] OnePlus OTA One/X Crossover Vulnerability MISC alephsecurity.com Exploit, Technical Description, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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