Vulnerability Monitor

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CVE-2019-9812

Given a compromised sandboxed content process due to a separate vulnerability, it is possible to escape that sandbox by loading accounts.firefox.com in that process and forcing a log-in to a malicious Firefox Sync account. Preference settings that disable the sandbox are then synchronized to the local machine and the compromised browser would restart without the sandbox if a crash is triggered. This vulnerability affects Firefox ESR < 60.9, Firefox ESR < 68.1, and Firefox < 69.

Published

2020-01-08T22:15:13.310

Last Modified

2024-11-21T04:52:21.623

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.3 (CRITICAL)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

4.9

Weaknesses
  • Type: Primary
    NVD-CWE-noinfo
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application mozilla firefox < 69.0 Yes
Application mozilla firefox < 68.1 Yes
Application mozilla firefox_esr < 60.9 Yes
References