What is the severity of ZDI-CAN-23195?

The severity of ZDI-CAN-23195 is critical due to the potential for local attackers to execute arbitrary code.

How do I fix ZDI-CAN-23195?

To fix ZDI-CAN-23195, apply the latest security patches provided by oFono for the affected installations.

Who is affected by ZDI-CAN-23195?

Local attackers with access to the targeted modem installations of oFono are affected by ZDI-CAN-23195.

What type of vulnerability is ZDI-CAN-23195?

ZDI-CAN-23195 is an arbitrary code execution vulnerability that arises from improper handling of responses.

What should I do if I cannot patch for ZDI-CAN-23195 immediately?

If immediate patching for ZDI-CAN-23195 is not possible, limit access to the affected systems and monitor for unusual activity.

Vulnerability/
ZDI-CAN-23195

high

7.8

5/8/2024

6/8/2024

ZDI-CAN-23195: (0Day) (Pwn2Own) oFono CUSD Stack-based Buffer Overflow Code Execution Vulnerability

First published: Mon Aug 05 2024(Updated: )

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+CUSD 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.

Affected Software	Affected Version	How to fix
oFono oFono

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Frequently Asked Questions

What is the severity of ZDI-CAN-23195?
The severity of ZDI-CAN-23195 is critical due to the potential for local attackers to execute arbitrary code.
How do I fix ZDI-CAN-23195?
To fix ZDI-CAN-23195, apply the latest security patches provided by oFono for the affected installations.
Who is affected by ZDI-CAN-23195?
Local attackers with access to the targeted modem installations of oFono are affected by ZDI-CAN-23195.
What type of vulnerability is ZDI-CAN-23195?
ZDI-CAN-23195 is an arbitrary code execution vulnerability that arises from improper handling of responses.
What should I do if I cannot patch for ZDI-CAN-23195 immediately?
If immediate patching for ZDI-CAN-23195 is not possible, limit access to the affected systems and monitor for unusual activity.

agent/severity
agent/type
agent/title
collector/zdi-advisory
source/ZDI
alias/ZDI-24-1079
alias/ZDI-CAN-23195
alias/CVE-2024-7539
agent/software-canonical-lookup
agent/software-canonical-lookup-request
agent/softwarecombine
collector/zdi-published
agent/last-modified-date
agent/references
agent/first-publish-date
agent/description
agent/event
agent/trending
agent/tags
agent/source
vendor/ofono
canonical/ofono ofono

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Frequently Asked Questions

What is the severity of ZDI-CAN-23195?
The severity of ZDI-CAN-23195 is critical due to the potential for local attackers to execute arbitrary code.
How do I fix ZDI-CAN-23195?
To fix ZDI-CAN-23195, apply the latest security patches provided by oFono for the affected installations.
Who is affected by ZDI-CAN-23195?
Local attackers with access to the targeted modem installations of oFono are affected by ZDI-CAN-23195.
What type of vulnerability is ZDI-CAN-23195?
ZDI-CAN-23195 is an arbitrary code execution vulnerability that arises from improper handling of responses.
What should I do if I cannot patch for ZDI-CAN-23195 immediately?
If immediate patching for ZDI-CAN-23195 is not possible, limit access to the affected systems and monitor for unusual activity.