7.5high
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…
Published 8 y ago · modified 4 mo ago · JSON
CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.4%
percentile 84%
Public exploits
0
none known
Summary
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.
Exploit prediction (EPSS)
2.44% probability of exploitation in the next 30 days, higher than 84% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- Mozilla Thunderbird
- Mozilla Firefox ESR
- Mozilla Firefox
Classification
- Weakness
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
- access.redhat.com /errata/RHSA-2017:1106 · vendor-advisory, x_refsource_REDHAT, x_transferred
- mozilla.org /security/advisories/mfsa2017-12/ · x_refsource_CONFIRM, x_transferred
- mozilla.org /security/advisories/mfsa2017-10/ · x_refsource_CONFIRM, x_transferred
- securityfocus.com /bid/97940 · vdb-entry, x_refsource_BID, x_transferred
- mozilla.org /security/advisories/mfsa2017-13/ · x_refsource_CONFIRM, x_transferred
- securitytracker.com /id/1038320 · vdb-entry, x_refsource_SECTRACK, x_transferred
- bugzilla.mozilla.org /show_bug.cgi?id=1349276 · x_refsource_CONFIRM, x_transferred
- access.redhat.com /errata/RHSA-2017:1201 · vendor-advisory, x_refsource_REDHAT, x_transferred
Sources
- CVE List: CVE-2017-5454
- NVD: CVE-2017-5454
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