ZDI-CAN-23309: ZDI-24-1082: (0Day) (Pwn2Own) oFono AT CMGR 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+CMGR 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-2024-7542.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-23309?
The severity of ZDI-CAN-23309 is considered high due to its ability to disclose sensitive information.
How do I fix ZDI-CAN-23309?
To fix ZDI-CAN-23309, ensure you update to the latest version of oFono that addresses this vulnerability.
Who is affected by ZDI-CAN-23309?
ZDI-CAN-23309 affects installations of oFono that are not patched against this vulnerability.
What type of attacks can be executed using ZDI-CAN-23309?
ZDI-CAN-23309 allows local attackers to execute code, resulting in the potential disclosure of sensitive information.
What are the prerequisites to exploit ZDI-CAN-23309?
An attacker must first obtain the ability to execute code on the target modem to exploit ZDI-CAN-23309.