ZDI-CAN-23307: ZDI-24-1080: (0Day) (Pwn2Own) oFono AT CMGL Command Uninitialized Variable Information Disclosure Vulnerability
This vulnerability allows local attackers to disclose sensitive information 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+CMGL commands. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root.
Other sources
This vulnerability allows local attackers to disclose sensitive information 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 3.3. The following CVEs are assigned: CVE-2024-7540.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-23307?
The severity of ZDI-CAN-23307 is high due to the potential for local attackers to disclose sensitive information.
How do I fix ZDI-CAN-23307?
To fix ZDI-CAN-23307, ensure that your oFono installation is updated to the latest version that addresses this vulnerability.
What type of attacks can exploit ZDI-CAN-23307?
ZDI-CAN-23307 can be exploited by local attackers who have gained code execution capability on the target modem.
What is the impact of ZDI-CAN-23307?
The impact of ZDI-CAN-23307 is the potential disclosure of sensitive information from affected oFono installations.
Who is affected by ZDI-CAN-23307?
Users of oFono software who have not implemented the latest security updates are at risk from ZDI-CAN-23307.