CVE-2017-5554

Description

An issue was discovered in ABOOT in OnePlus 3 and 3T OxygenOS before 4.0.2. The attacker can reboot the device into the fastboot mode, which could be done without any authentication. A physical attacker can press the "Volume Up" button during device boot, where an attacker with ADB access can issue the adb reboot bootloader command. Then, the attacker can put the platform's SELinux in permissive mode, which severely weakens it, by issuing: fastboot oem selinux permissive.

Category

8.1
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 2.13% Top 20%
Third-Party Advisory securityfocus.com Third-Party Advisory securityresear.ch Third-Party Advisory xda-developers.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://securityresear.ch/2017/01/11/fastboot-oem-selinux-permissive/ third party advisory
http://www.securityfocus.com/bid/95706 vdb entry third party advisory
https://www.xda-developers.com/oneplus-33t-bootloader-vulnerability-allows-changing-of-selinux-to-permissive-mode-in-fastboot/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-5554?
CVE-2017-5554 has been scored as a high severity vulnerability.
How to fix CVE-2017-5554?
To fix CVE-2017-5554, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-5554 being actively exploited in the wild?
It is possible that CVE-2017-5554 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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