Advisory Details

June 21st, 2024

(Pwn2Own) Sony XAV-AX5500 WMV/ASF Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability

ZDI-24-875
ZDI-CAN-22994

CVE ID CVE-2024-23934
CVSS SCORE 8.8, AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS Sony
AFFECTED PRODUCTS XAV-AX5500
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Sony XAV-AX5500 devices. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of WMV/ASF files. A crafted Extended Content Description Object in a WMV media file can trigger an overflow of a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device.

ADDITIONAL DETAILS Sony has issued an update to correct this vulnerability. More details can be found at:
https://www.sony.com/electronics/support/mobile-cd-players-digital-media-players-xav-series/xav-ax5500/software/00274156
DISCLOSURE TIMELINE
  • 2024-02-02 - Vulnerability reported to vendor
  • 2024-06-21 - Coordinated public release of advisory
  • 2024-07-01 - Advisory Updated
CREDIT Gary Wang
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