Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
0

CVE-2017-5448

Disclosure Date: June 11, 2018
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Description

An out-of-bounds write in “ClearKeyDecryptor” while decrypting some Clearkey-encrypted media content. The “ClearKeyDecryptor” code runs within the Gecko Media Plugin (GMP) sandbox. If a second mechanism is found to escape the sandbox, this vulnerability allows for the writing of arbitrary data within memory, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

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CVSS V3 Severity and Metrics
Base Score:
8.6 High
Impact Score:
4.7
Exploitability Score:
3.9
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
Low
Integrity (I):
Low
Availability (A):
High

General Information

Vendors

  • Mozilla

Products

  • Firefox ESR,
  • Firefox
Technical Analysis