7.8high
CVE-2017-7755
The Firefox installer on Windows can be made to load malicious DLL files stored in the same directory as the installer when it is run.
Published 8 y ago · modified 4 mo ago · JSON
CVSS
7.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.4%
percentile 72%
Public exploits
0
none known
Summary
The Firefox installer on Windows can be made to load malicious DLL files stored in the same directory as the installer when it is run. This allows privileged execution if the installer is run with elevated privileges. Note: This attack only affects Windows operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.
Exploit prediction (EPSS)
1.36% probability of exploitation in the next 30 days, higher than 72% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 7.8 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- Mozilla Firefox
- Mozilla Firefox ESR
- Mozilla Thunderbird
Classification
- Weakness
- CWE-426 Untrusted Search Path
References
- securityfocus.com /bid/99057 · vdb-entry, x_refsource_BID, x_transferred
- mozilla.org /security/advisories/mfsa2017-15/ · x_refsource_CONFIRM, x_transferred
- securitytracker.com /id/1038689 · vdb-entry, x_refsource_SECTRACK, x_transferred
- bugzilla.mozilla.org /show_bug.cgi?id=1361326 · x_refsource_CONFIRM, x_transferred
- mozilla.org /security/advisories/mfsa2017-17/ · x_refsource_CONFIRM, x_transferred
- mozilla.org /security/advisories/mfsa2017-16/ · x_refsource_CONFIRM, x_transferred
Sources
- CVE List: CVE-2017-7755
- NVD: CVE-2017-7755
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