ZDI-CAN-23190: ZDI-24-1078: (0Day) (Pwn2Own) oFono CUSD AT Command Stack-based Buffer Overflow Code Execution Vulnerability
This vulnerability allows local attackers to execute arbitrary code on affected installations of oFono. An attacker must first obtain the ability to execute code on the target modem in order to exploit this vulnerability. The specific flaw exists within the parsing of responses from AT Commands. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root.
Other sources
This vulnerability allows local attackers to execute arbitrary code on affected installations of oFono. An attacker must first obtain the ability to execute code on the target modem in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2024-7538.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-23190?
The severity of ZDI-CAN-23190 is critical due to its potential to allow local attackers to execute arbitrary code.
How do I fix ZDI-CAN-23190?
To fix ZDI-CAN-23190, update to the latest version of oFono that addresses this vulnerability.
What type of attackers can exploit ZDI-CAN-23190?
ZDI-CAN-23190 can be exploited by local attackers who have access to execute code on the target modem.
What software is affected by ZDI-CAN-23190?
ZDI-CAN-23190 affects installations of oFono.
What actions should I take if I am using oFono and concerned about ZDI-CAN-23190?
If using oFono, you should monitor for official updates and consider applying any security patches provided by the vendor.