Mozilla: File name spoofing of Downloads panel with Unicode characters
Published Jun 11, 2018
6.1
MEDIUMCVSS 3.0
EPSS 1.82%
Description
The filename appearing in the "Downloads" panel improperly renders some Unicode characters, allowing for the file name to be spoofed. This can be used to obscure the file extension of potentially executable files from user view in the panel. Note: the dialog to open the file will show the full, correct filename and whether it is executable or not. This vulnerability affects Firefox < 60.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<60
- Version
Configuration 1
- 14.04
- 16.04
- 17.10
- 18.04
No data.
Red Hat Enterprise Linux 6
firefox
Not affected
Red Hat Enterprise Linux 6
thunderbird
Not affected
Red Hat Enterprise Linux 7
firefox
Not affected
Red Hat Enterprise Linux 7
thunderbird
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 6 | thunderbird | Not affected | n/a |
| Red Hat Enterprise Linux 7 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 7 | thunderbird | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
AV:N/AC:L/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.82% (0.01820) | 77.96th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.82% (0.01820) | 75.87th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.27% (0.01273) | 77.68th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.96% (0.02958) | 77.44th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.31% (0.00314) | 70.53th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.31% (0.00314) | 69.43th | v3 (v2023.03.01) |
| Nov 2, 2023 | 0.31% (0.00314) | 66.97th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.40% (0.00399) | 70.29th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.44% (0.00442) | 70.88th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.25% (0.01247) | 30.57th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.25% (0.01247) | 0.00th | v1 |
References (10)
- http://www.securityfocus.com/bid/104139 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040896 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-5173 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1438025 x_refsource_CONFIRMIssue TrackingPermissions RequiredVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1576272 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2018-5173
- https://usn.ubuntu.com/3645-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-5173
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-11/#CVE-2018-5173
- https://www.mozilla.org/security/advisories/mfsa2018-11/ x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/104139 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1040896 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2018-5173 | Vendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1438025 | x_refsource_CONFIRMIssue TrackingPermissions RequiredVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1576272 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-5173 | ||
| https://usn.ubuntu.com/3645-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-5173 | ||
| https://www.mozilla.org/en-US/security/advisories/mfsa2018-11/#CVE-2018-5173 | ||
| https://www.mozilla.org/security/advisories/mfsa2018-11/ | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.