CVE-2017-5448

 

Published at: - 11-06-2018 11:29

Last modified: - 24-09-2022 03:03

Total changes: - 2

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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

 

Verification logic

 

Reference

• https://www.mozilla.org/security/advisories/mfsa2017-12/
• https://www.mozilla.org/security/advisories/mfsa2017-11/
• https://www.mozilla.org/security/advisories/mfsa2017-10/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1346648
• DSA-3831-Third Party Advisory
• RHSA-2017:1106-Third Party Advisory
• RHSA-2017:1104-Third Party Advisory
• 1038320-Third Party Advisory, VDB Entry
• 97940-Third Party Advisory, VDB Entry

 

Keywords

NVD

 

CVE-2017-5448

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures