CVE-2022-35858

Public Exploit

Description

The TEE_PopulateTransientObject and __utee_from_attr functions in Samsung mTower 0.3.0 allow a trusted application to trigger a memory overwrite, denial of service, and information disclosure by invoking the function TEE_PopulateTransientObject with a large number in the parameter attrCount.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.04%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/Samsung/mTower/blob/18f4b592a8a973ce5972f4e2658ea0f6e3686284/tee/lib/libutee/tee_api_objects.c#L283 third party advisory exploit
https://github.com/Samsung/mTower/issues/71 third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-35858?
CVE-2022-35858 has been scored as a high severity vulnerability.
How to fix CVE-2022-35858?
To fix CVE-2022-35858, 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-2022-35858 being actively exploited in the wild?
It is possible that CVE-2022-35858 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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