Vulnerability Monitor

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CVE-2022-34835

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.

Published

2022-06-30T00:15:08.023

Last Modified

2024-11-21T07:10:17.057

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	denx	u-boot	< 2022.07	Yes
Application	denx	u-boot	2022.07	Yes
Application	denx	u-boot	2022.07	Yes
Application	denx	u-boot	2022.07	Yes
Application	denx	u-boot	2022.07	Yes
Application	denx	u-boot	2022.07	Yes

References

https://github.com/u-boot/u-boot/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafa6e5409 Exploit, Patch, Third Party Advisory ([email protected])
https://lists.denx.de/pipermail/u-boot/2022-June/486113.html Exploit, Patch, Vendor Advisory ([email protected])
https://source.denx.de/u-boot/u-boot/-/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafa6e5409 Patch, Vendor Advisory ([email protected])
https://github.com/u-boot/u-boot/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafa6e5409 Exploit, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.denx.de/pipermail/u-boot/2022-June/486113.html Exploit, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://source.denx.de/u-boot/u-boot/-/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafa6e5409 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)