CVE-2017-5448
Published: 20 April 2017
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.
Priority
CVSS 3 base score: 8.6
Status
| Package | Release | Status |
|---|---|---|
|
firefox Launchpad, Ubuntu, Debian |
precise |
Does not exist
(precise was ignored)
|
| trusty |
Does not exist
(trusty was released [53.0+build6-0ubuntu0.14.04.1])
|
|
| upstream |
Released
(53.0)
|
|
| xenial |
Released
(53.0+build6-0ubuntu0.16.04.1)
|
|
| yakkety |
Released
(53.0+build6-0ubuntu0.16.10.1)
|
|
| zesty |
Released
(53.0+build6-0ubuntu0.17.04.1)
|
|
|
thunderbird Launchpad, Ubuntu, Debian |
precise |
Does not exist
(precise was needs-triage)
|
| trusty |
Does not exist
(trusty was not-affected)
|
|
| upstream |
Not vulnerable
|
|
| xenial |
Not vulnerable
|
|
| yakkety |
Not vulnerable
|
|
| zesty |
Not vulnerable
|