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.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://source.denx.de/u-boot/u-boot/-/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafa6e5409	Patch Vendor Advisory
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 Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:denx:u-boot:2022.07:rc2::::::
	cpe:2.3:a:denx:u-boot:2022.07:rc1::::::
	cpe:2.3:a:denx:u-boot:2022.07:rc3::::::
	cpe:2.3:a:denx:u-boot:2022.07:rc4::::::
	cpe:2.3:a:denx:u-boot:2022.07:rc5::::::
	cpe:2.3:a:denx:u-boot::::::::

Information

Published : 2022-06-29 17:15

Updated : 2022-07-08 19:28

NVD link : CVE-2022-34835

Mitre link : CVE-2022-34835

JSON object : View

CWE

CWE-787

Out-of-bounds Write

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Products Affected

denx

u-boot

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