Vulnerability Monitor

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CVE-2015-0817

The asm.js implementation in Mozilla Firefox before 36.0.3, Firefox ESR 31.x before 31.5.2, and SeaMonkey before 2.33.1 does not properly determine the cases in which bounds checking may be safely skipped during JIT compilation and heap access, which allows remote attackers to read or write to unintended memory locations, and consequently execute arbitrary code, via crafted JavaScript.

Published

2015-03-24T00:59:05.843

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.8 (MEDIUM)

CVSSv2 Vector

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

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

8.6

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-17
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application mozilla firefox ≤ 36.0.1 Yes
Application mozilla firefox 31.0 Yes
Application mozilla firefox 31.1.0 Yes
Application mozilla firefox 31.1.1 Yes
Application mozilla firefox 31.3.0 Yes
Application mozilla firefox 31.5.1 Yes
Application mozilla firefox_esr 31.1 Yes
Application mozilla firefox_esr 31.2 Yes
Application mozilla firefox_esr 31.3 Yes
Application mozilla firefox_esr 31.4 Yes
Application mozilla firefox_esr 31.5 Yes
Application mozilla seamonkey ≤ 2.33.0 Yes
References