CVE-2017-7796
On Windows systems, the logger run by the Windows updater deletes the file "update.log" before it runs in order to write a new log of that…
Published 8 y ago · modified 4 mo ago · JSON
Summary
On Windows systems, the logger run by the Windows updater deletes the file "update.log" before it runs in order to write a new log of that name. The path to this file is supplied at the command line to the updater and could be used in concert with another local exploit to delete a different file named "update.log" instead of the one intended. Note: This attack only affects Windows operating systems. Other operating systems are not affected. This vulnerability affects Firefox < 55.
Exploit prediction (EPSS)
0.27% probability of exploitation in the next 30 days, higher than 19% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 4.7 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 3.3 | AV:L/AC:M/Au:N/C:N/I:P/A:P |
Affected products
- Mozilla Firefox
Classification
- Weakness
- CWE-20 Improper Input Validation
References
- mozilla.org /security/advisories/mfsa2017-18/ · x_refsource_CONFIRM, x_transferred
- bugzilla.mozilla.org /show_bug.cgi?id=1234401 · x_refsource_CONFIRM, x_transferred
- securitytracker.com /id/1039124 · vdb-entry, x_refsource_SECTRACK, x_transferred
Sources
- CVE List: CVE-2017-7796
- NVD: CVE-2017-7796
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