HIGH
hostapd: Not preventig the use of low quality PRNG leads to insufficient entropy
Published Mar 23, 2019
7.5
HIGHCVSS 3.1
EPSS 2.35%
Description
hostapd before 2.6 does not prevent use of the low-quality PRNG that is reached by an os_random() function call.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
wpa_supplicant
Not affected
Red Hat Enterprise Linux 6
wpa_supplicant
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | wpa_supplicant | Not affected | n/a |
| Red Hat Enterprise Linux 6 | wpa_supplicant | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
7.5 HIGH Red Hat
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact High
Availability Impact None
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact High
Availability Impact None
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.35% 0.02352
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.02352
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.35% (0.02352) | 83.11th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.35% (0.02352) | 81.44th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.46% (0.00456) | 61.82th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.32% (0.00318) | 71.34th | v3 (v2023.03.01) |
| Mar 16, 2024 | 0.32% (0.00318) | 69.84th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.31% (0.00310) | 69.22th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.31% (0.00310) | 65.27th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
References (12)
- http://packetstormsecurity.com/files/156573/Hostapd-Insufficient-Entropy.html x_refsource_MISC
- http://seclists.org/fulldisclosure/2020/Feb/26 mailing-listx_refsource_FULLDISC
- http://www.openwall.com/lists/oss-security/2020/02/27/1 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2020/02/27/2 mailing-listx_refsource_MLIST
- https://access.redhat.com/security/cve/CVE-2016-10743 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1811037 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2019/03/msg00035.html mailing-listx_refsource_MLIST
- https://moabi.com/advisories/CVE-2019-10064.html
- https://nvd.nist.gov/vuln/detail/CVE-2016-10743
- https://usn.ubuntu.com/3944-1/ vendor-advisoryx_refsource_UBUNTU
- https://w1.fi/cgit/hostap/commit/?id=98a516eae8260e6fd5c48ddecf8d006285da7389 x_refsource_MISCPatchThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2016-10743
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/156573/Hostapd-Insufficient-Entropy.html | x_refsource_MISC | |
| http://seclists.org/fulldisclosure/2020/Feb/26 | mailing-listx_refsource_FULLDISC | |
| http://www.openwall.com/lists/oss-security/2020/02/27/1 | mailing-listx_refsource_MLIST | |
| http://www.openwall.com/lists/oss-security/2020/02/27/2 | mailing-listx_refsource_MLIST | |
| https://access.redhat.com/security/cve/CVE-2016-10743 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1811037 | Issue Tracking | |
| https://lists.debian.org/debian-lts-announce/2019/03/msg00035.html | mailing-listx_refsource_MLIST | |
| https://moabi.com/advisories/CVE-2019-10064.html | ||
| https://nvd.nist.gov/vuln/detail/CVE-2016-10743 | ||
| https://usn.ubuntu.com/3944-1/ | vendor-advisoryx_refsource_UBUNTU | |
| https://w1.fi/cgit/hostap/commit/?id=98a516eae8260e6fd5c48ddecf8d006285da7389 | x_refsource_MISCPatchThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2016-10743 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Mar 23, 2019
Updated Aug 6, 2024
Reserved Mar 23, 2019
Link CVE-2016-10743
CISA Vulnrichment
Updated n/a