7.8
Advisory Published
Advisory Published

ZDI-24-1078: (0Day) (Pwn2Own) oFono CUSD AT Command 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 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 SoftwareAffected VersionHow to fix
oFono oFono

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Frequently Asked Questions

  • What is the severity of ZDI-24-1078?

    The severity of ZDI-24-1078 is considered critical due to the potential for arbitrary code execution.

  • How do I fix ZDI-24-1078?

    To fix ZDI-24-1078, update to the latest version of oFono that addresses the vulnerability.

  • Who is affected by ZDI-24-1078?

    ZDI-24-1078 affects local installations of oFono where an attacker can execute code.

  • What type of attacks can ZDI-24-1078 facilitate?

    ZDI-24-1078 can facilitate local code execution attacks on vulnerable oFono installations.

  • Is ZDI-24-1078 a local or remote vulnerability?

    ZDI-24-1078 is a local vulnerability requiring access to the target modem.

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