CVE-2017-5448 — Out-of-bounds Write in Mozilla Firefox
Severity
8.6HIGHNVD
OSV9.8
EPSS
1.4%
top 19.72%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJun 11
Latest updateMay 14
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:HExploitability: 3.9 | Impact: 4.7
Affected Packages7 packages
Also affects: Debian Linux 7.0, Enterprise Linux 6.0, 7.0, 7.3, 7.4, 7.5
🔴Vulnerability Details
5GHSA▶
GHSA-v22c-c5cc-5mv4: An out-of-bounds write in "ClearKeyDecryptor" while decrypting some Clearkey-encrypted media content↗2022-05-14
CVEList▶
CVE-2017-5448: An out-of-bounds write in "ClearKeyDecryptor" while decrypting some Clearkey-encrypted media content↗2018-06-11
OSV▶
CVE-2017-5448: An out-of-bounds write in "ClearKeyDecryptor" while decrypting some Clearkey-encrypted media content↗2018-06-11
📋Vendor Advisories
4💬Community
1Bugzilla▶
CVE-2017-5448 Mozilla: Out-of-bounds write in ClearKeyDecryptor (MFSA 2017-11, MFSA 2017-12)↗2017-04-19