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-24-1082?
The severity of ZDI-24-1082 is classified as high due to the potential for local attackers to disclose sensitive information.
How do I fix ZDI-24-1082?
To fix ZDI-24-1082, users should apply the latest security patches released by the vendor for oFono.
What is the attack vector for ZDI-24-1082?
The attack vector for ZDI-24-1082 requires local access to the target modem, typically by an authenticated user.
What impact does ZDI-24-1082 have on systems?
ZDI-24-1082 can lead to unauthorized access to sensitive information, compromising system confidentiality.
Who is affected by ZDI-24-1082?
ZDI-24-1082 affects installations of oFono that have not been updated to mitigate this vulnerability.