Mozilla: Proxy bypass using automount and autofs
Published Nov 4, 2017
6.5
MEDIUMCVSS 3.1
EPSS 3.66%
Description
Tor Browser before 7.0.9 on macOS and Linux allows remote attackers to bypass the intended anonymity feature and discover a client IP address via vectors involving a crafted web site that leverages file:// mishandling in Firefox, aka TorMoil. NOTE: Tails is unaffected.
Affected products
No data.
Configuration 1
- < 7.0.9
Running on/with
- n/a
- n/a
Configuration 2
- 6.0
- 7.0
- 7.5
- 7.6
- 7.7
- 6.0
- 7.0
- 7.6
- 7.7
- 7.6
- 7.7
- 6.0
- 7.0
Configuration 3
- 8.0
- 9.0
No data.
Red Hat Enterprise Linux 6
firefox-0:60.2.0-1.el6
Fixed · RHSA-2018:2693
Red Hat Enterprise Linux 6
thunderbird-0:60.2.1-5.el6
Fixed · RHSA-2018:3403
Red Hat Enterprise Linux 7
firefox-0:60.2.0-1.el7_5
Fixed · RHSA-2018:2692
Red Hat Enterprise Linux 7
thunderbird-0:60.2.1-4.el7_5
Fixed · RHSA-2018:3458
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | firefox-0:60.2.0-1.el6 | Fixed | RHSA-2018:2693 |
| Red Hat Enterprise Linux 6 | thunderbird-0:60.2.1-5.el6 | Fixed | RHSA-2018:3403 |
| Red Hat Enterprise Linux 7 | firefox-0:60.2.0-1.el7_5 | Fixed | RHSA-2018:2692 |
| Red Hat Enterprise Linux 7 | thunderbird-0:60.2.1-4.el7_5 | Fixed | RHSA-2018:3458 |
No package ranges for this CVE.
Remediation
Red Hat statement
This flaw cannot be exploited through email in Thunderbird as scripting is disabled in this for email content. It may be possible to exploit through Feeds (Atom or RSS) or other browser-like contexts.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
AV:N/AC:M/Au:N/C:P/I:N/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 (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.66% (0.03662) | 89.28th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.66% (0.03662) | 88.16th | v5 (v2026.06.15) |
| Apr 17, 2026 | 7.69% (0.07687) | 91.93th | v4 (v2025.03.14) |
| Sep 20, 2025 | 4.97% (0.04969) | 89.27th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.00% (0.02000) | 82.05th | v4 (v2025.03.14) |
| Mar 29, 2025 | 18.64% (0.18636) | 92.20th | v4 (v2025.03.14) |
| Mar 28, 2025 | 2.00% (0.02000) | 82.06th | v4 (v2025.03.14) |
| Mar 27, 2025 | 18.64% (0.18636) | 94.43th | v4 (v2025.03.14) |
| Mar 20, 2025 | 2.00% (0.02000) | 82.15th | v4 (v2025.03.14) |
| Mar 19, 2025 | 18.64% (0.18636) | 94.53th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.00% (0.02000) | 82.46th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.83% (0.00832) | 82.72th | v3 (v2023.03.01) |
| Apr 30, 2024 | 0.79% (0.00792) | 81.33th | v3 (v2023.03.01) |
| Mar 6, 2024 | 0.68% (0.00684) | 79.51th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.68% (0.00684) | 77.51th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.45% (0.00450) | 71.15th | v3 (v2023.03.01) |
| Mar 6, 2023 | 26.36% (0.26363) | 97.09th | v2 (v2022.01.01) |
| Feb 4, 2022 | 26.36% (0.26363) | 95.71th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.89% (0.02890) | 63.67th | v5 (v2026.06.15) |
| Apr 14, 2021 | 2.89% (0.02890) | 0.00th | v1 |
References (20)
- http://www.securityfocus.com/bid/101665 vdb-entryx_refsource_BIDBroken Link
- http://www.securitytracker.com/id/1041610 vdb-entryx_refsource_SECTRACKBroken Link
- https://access.redhat.com/errata/RHSA-2018:2692 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2693 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3403 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3458 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2017-16541 Vendor Advisory
- https://blog.torproject.org/tor-browser-709-released x_refsource_MISCIssue TrackingVendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1412081 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1510816 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2018/11/msg00011.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-16541
- https://security.gentoo.org/glsa/201810-01 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://security.gentoo.org/glsa/201811-13 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://trac.torproject.org/projects/tor/ticket/24052 x_refsource_MISCIssue TrackingVendor Advisory
- https://www.bleepingcomputer.com/news/security/tormoil-vulnerability-leaks-real-ip-address-from-tor-browser-users/ x_refsource_MISCIssue TrackingThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-16541
- https://www.debian.org/security/2018/dsa-4327 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-21/#CVE-2017-16541
- https://www.wearesegment.com/research/tormoil-torbrowser-unspecified-critical-security-vulnerability/ x_refsource_MISCIssue TrackingThird Party Advisory
Change history (0)
No recorded changes yet.