CVE-2017-5454 — Sensitive Information Exposure in Mozilla Firefox
Severity
7.5HIGHNVD
OSV9.8
EPSS
0.5%
top 32.61%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJun 11
Latest updateMay 14
Description
A mechanism to bypass file system access protections in the sandbox to use the file picker to access different files than those selected in the file picker through the use of relative paths. This allows for read only access to the local file system. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 3.9 | Impact: 3.6
Affected Packages10 packages
Also affects: Enterprise Linux 6.0, 7.0, 7.3, 7.4, 7.5
Patches
🔴Vulnerability Details
6GHSA▶
GHSA-4v77-6pxw-9whf: A mechanism to bypass file system access protections in the sandbox to use the file picker to access different files than those selected in the file p↗2022-05-14
CVEList▶
CVE-2017-5454: A mechanism to bypass file system access protections in the sandbox to use the file picker to access different files than those selected in the file p↗2018-06-11
📋Vendor Advisories
5💬Community
1Bugzilla▶
CVE-2017-5454 Mozilla: Sandbox escape allowing file system read access through file picker (MFSA 2017-12)↗2017-04-19