Vulnerability Monitor

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CVE-2015-7215


The importScripts function in the Web Workers API implementation in Mozilla Firefox before 43.0 allows remote attackers to bypass the Same Origin Policy by triggering use of the no-cors mode in the fetch API to attempt resource access that throws an exception, leading to information disclosure after a rethrow.


Published

2015-12-16T11:59:13.540

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

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

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

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-200

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System fedoraproject fedora 22 Yes
Operating System fedoraproject fedora 23 Yes
Operating System opensuse leap 42.1 Yes
Operating System opensuse opensuse 13.1 Yes
Operating System opensuse opensuse 13.2 Yes
Application mozilla firefox ≤ 42.0 Yes

References