Advisory Details

April 12th, 2022

(Pwn2Own) Samsung Galaxy S21 loadUrl Open Redirect Privilege Escalation Vulnerability

ZDI-22-621
ZDI-CAN-15918

CVE ID CVE-2022-1230
CVSS SCORE 3.9, (AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N)
AFFECTED VENDORS Samsung
AFFECTED PRODUCTS Galaxy S21
VULNERABILITY DETAILS

This vulnerability allows local attackers to execute arbitrary code on affected installations of Samsung Galaxy S21 phones. 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 redirections. An attacker can force a redirection to a site that serves malicious content. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute arbitrary code in the context of the current user.

ADDITIONAL DETAILS Samsung has issued an update to correct this vulnerability. More details can be found at:
https://security.samsungmobile.com/serviceWeb.smsb
DISCLOSURE TIMELINE
  • 2021-12-30 - Vulnerability reported to vendor
  • 2022-04-12 - Coordinated public release of advisory
CREDIT Sam Thomas (@_s_n_t) of Pentest Ltd (@pentestltd)
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