Advisory Details

March 5th, 2019

(Pwn2Own) Samsung Galaxy S9 Untrusted Site Redirection Remote Code Execution Vulnerability

ZDI-19-254
ZDI-CAN-7476

CVE ID CVE-2019-6741
CVSS SCORE 6.5, AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
AFFECTED VENDORS Samsung
AFFECTED PRODUCTS Galaxy S9
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Samsung Galaxy S9. User interaction is required to exploit this vulnerability in that the target must connect to a wireless network.

The specific flaw exists within the captive portal. By manipulating HTML, an attacker can force a page redirection. An attacker can leverage this vulnerability to execute code in the context of the current process.
ADDITIONAL DETAILS

Fixed in January 2019 Security Update (SMR-JAN-2019 - SVE-2018-13474)
DISCLOSURE TIMELINE
  • 2018-11-15 - Vulnerability reported to vendor
  • 2019-03-05 - Coordinated public release of advisory
  • 2019-06-14 - Advisory Updated
CREDIT MWR Labs - Georgi Geshev and Robert Miller
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