ZDI-CAN-29061: ZDI-26-477: (Pwn2Own) Sony XAV-9500ES Crash Dump Handler Command Injection Local Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of Sony XAV-9500ES devices. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the handling of process crash dumps. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root.
Other sources
This vulnerability allows local attackers to escalate privileges on affected installations of Sony XAV-9500ES devices. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-18284.
— ZDI
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch ZDI-26-477 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch CVE-2026-18284
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-29061?
The severity of ZDI-CAN-29061 is rated at 7.8 according to the CVSS scoring system.
How do I fix ZDI-CAN-29061?
To fix ZDI-CAN-29061, update your Sony XAV-9500ES device to the latest firmware that addresses this vulnerability.
Who is affected by ZDI-CAN-29061?
Users of Sony XAV-9500ES devices are affected by ZDI-CAN-29061 if they have not applied the necessary security updates.
What type of attack can ZDI-CAN-29061 enable?
ZDI-CAN-29061 can enable local privilege escalation attacks on compromised Sony XAV-9500ES installations.
What is required to exploit ZDI-CAN-29061?
To exploit ZDI-CAN-29061, an attacker must first have access to execute low-privileged code on the vulnerable Sony XAV-9500ES device.