CVE-2017-5448

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.

References

http://www.securityfocus.com/bid/97940

http://www.securitytracker.com/id/1038320

https://access.redhat.com/errata/RHSA-2017:1104

https://access.redhat.com/errata/RHSA-2017:1106

https://bugzilla.mozilla.org/show_bug.cgi?id=1346648

https://www.debian.org/security/2017/dsa-3831

https://www.mozilla.org/security/advisories/mfsa2017-10/

https://www.mozilla.org/security/advisories/mfsa2017-11/

https://www.mozilla.org/security/advisories/mfsa2017-12/

Details

Risk Information

CVSS v2

CVSS v3