CVE-2022-34835

Public Exploit

Description

In Das U-Boot through 2022.07-rc5, an integer signedness error and resultant stack-based buffer overflow in the "i2c md" command enables the corruption of the return address pointer of the do_i2c_md function.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.22%
Vendor Advisory denx.de Vendor Advisory denx.de
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lists.denx.de/pipermail/u-boot/2022-June/486113.html exploit patch vendor advisory
https://github.com/u-boot/u-boot/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafa6e5409 exploit third party advisory patch
https://source.denx.de/u-boot/u-boot/-/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafa6e5409 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-34835?
CVE-2022-34835 has been scored as a critical severity vulnerability.
How to fix CVE-2022-34835?
To fix CVE-2022-34835, 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-2022-34835 being actively exploited in the wild?
It is possible that CVE-2022-34835 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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