Out-of-bounds Write Affecting mozilla package, versions [,45.9.0)[52.0,52.1.0)(52.1.0,53.0)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
43.82% (98th percentile)

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  • Snyk IDSNYK-UNMANAGED-MOZILLA-2378802
  • published26 Jan 2022
  • disclosed11 Jun 2018
  • creditUnknown

Introduced: 11 Jun 2018

CVE-2017-5448  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade mozilla to version 45.9.0, 52.1.0, 53.0 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Write. 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.

CVSS Scores

version 3.1