wireshark: Improper Access Control in create_app_running_mutex function in wsutil/file_util.c
Published Jul 20, 2018
7.5
HIGHCVSS 3.0
EPSS 1.18%
Description
In Wireshark through 2.6.2, the create_app_running_mutex function in wsutil/file_util.c calls SetSecurityDescriptorDacl to set a NULL DACL, which allows attackers to modify the access control arbitrarily.
Affected products
No data.
No data.
Red Hat Enterprise Linux 6
wireshark
Not affected
Red Hat Enterprise Linux 7
wireshark
Not affected
Red Hat Enterprise Linux 8
wireshark
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | wireshark | Not affected | n/a |
| Red Hat Enterprise Linux 7 | wireshark | Not affected | n/a |
| Red Hat Enterprise Linux 8 | wireshark | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of wireshark as shipped with Red Hat Enterprise Linux 6 and 7.
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:H/A:N
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
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
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.18% (0.01184) | 66.66th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.20% (0.01200) | 66.79th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.14% (0.00136) | 49.58th | v3 (v2023.03.01) |
| Dec 10, 2023 | 0.14% (0.00135) | 48.42th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.14% (0.00141) | 48.05th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.62% (0.00624) | 17.80th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (6)
- http://www.securityfocus.com/bid/104876 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-14438 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14921 x_refsource_MISCIssue TrackingVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1609948 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2018-14438
- https://www.cve.org/CVERecord?id=CVE-2018-14438
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/104876 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2018-14438 | Vendor Advisory | |
| https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14921 | x_refsource_MISCIssue TrackingVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1609948 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-14438 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-14438 |
Change history (0)
No recorded changes yet.