An issue was discovered in F-Secure XFENCE and Little Flocker
Published Jun 13, 2018
7.8
HIGHCVSS 3.0
EPSS 0.84%
Description
An issue was discovered in F-Secure XFENCE and Little Flocker. A maliciously crafted Universal/fat binary can evade third-party code signing checks. By not completing full inspection of the Universal/fat binary, the user of the third-party tool will believe that the code is signed by Apple, but the malicious unsigned code will execute.
Affected products
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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:P/I:P/A:P
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 | 0.84% (0.00839) | 56.31th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.84% (0.00839) | 56.28th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.09% (0.00091) | 39.20th | v3 (v2023.03.01) |
| Jul 17, 2024 | 0.09% (0.00091) | 39.22th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00091) | 37.19th | 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 | 0.42% (0.00416) | 10.04th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.42% (0.00416) | 0.00th | v1 |
References (1)
- https://www.okta.com/security-blog/2018/06/issues-around-third-party-apple-code-signing-checks/ x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://www.okta.com/security-blog/2018/06/issues-around-third-party-apple-code-signing-checks/ | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.