CVE-2017-5948
An issue was discovered on OnePlus One, X, 2, 3, and 3T devices. OxygenOS and HydrogenOS are vulnerable to downgrade attacks. This is due to a lenient 'updater-script' in OTAs that does not check that the current version is lower than or equal to the given image's. Downgrades can occur even on locked bootloaders and without triggering a factory reset, allowing for exploitation of now-patched vulnerabilities with access to user data. This vulnerability can be exploited by a Man-in-the-Middle (MiTM) attacker targeting the update process. This is possible because the update transaction does not occur over TLS (CVE-2016-10370). In addition, a physical attacker can reboot the phone into recovery, and then use 'adb sideload' to push the OTA (on OnePlus 3/3T 'Secure Start-up' must be off).
- Score
- CVSS 3.0 5.9 Medium
- Status
- Modified - cve@mitre.org
- Published
- 2017-05-11
- Last modified
- 2024-08-05
- Weaknesses
- CWE-20
Affected products
References
- https://alephsecurity.com/vulns/aleph-2017008
