CVE-2016-10434 Security feature bypass in Snapdragon Automobile, Snapdragon Mobile
An attacker can bypass HMAC authentication in RPMB write responses by triggering error conditions before verification, compromising secure storage integrity.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2016-10434?
CVE-2016-10434 is a high-severity vulnerability in Qualcomm Sd 820 Firmware, published on 18 Apr 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Automobile and Snapdragon Mobile SD 820 and SD 820A, the input to RPMB write response function is a buffer from HLOS that needs to be authenticated (using HMAC) and then processed. However, some of the processing occurs before the buffer is authenticated. The function will return various types of errors depending on the values of the `response` and `result` fields of the buffer before verifying the HMAC tag.
Weakness: CWE-287
Which versions are affected by CVE-2016-10434?
It affects 2 products.
Products include Qualcomm Sd 820 Firmware, Qualcomm Sd 820a Firmware.
How do I fix CVE-2016-10434?
No fix has been published for CVE-2016-10434 yet. Limit exposure of the affected software until one is available.
Is CVE-2016-10434 being exploited?
There is no known exploitation of CVE-2016-10434 in the wild and no public exploit code.
Sources
Also known as GHSA-qqcm-m6q5-fq97.