hostapd: WPS UPnP vulnerability with HTTP chunked transfer encoding
Published Jun 15, 2015
4.3
MEDIUMCVSS 2.0
EPSS 2.97%
Description
The WPS UPnP function in hostapd, when using WPS AP, and wpa_supplicant, when using WPS external registrar (ER), 0.7.0 through 2.4 allows remote attackers to cause a denial of service (crash) via a negative chunk length, which triggers an out-of-bounds read or heap-based buffer overflow.
Affected products
No data.
Configuration 1
- 0.7.0
- 0.7.1
- 0.7.2
- 0.7.3
- 1.0
- 1.1
- 2.0
- 2.1
- 2.2
- 2.3
- 2.4
Configuration 2
- 0.7.0
- 0.7.1
- 0.7.2
- 0.7.3
- 1.0
- 1.1
- 2.0
- 2.1
- 2.2
- 2.3
- 2.4
No data.
Red Hat Enterprise Linux 5
wpa_supplicant
Not affected
Red Hat Enterprise Linux 6
wpa_supplicant
Not affected
Red Hat Enterprise Linux 7
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 |
| Red Hat Enterprise Linux 7 | wpa_supplicant | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of wpa_supplicant as shipped with Red Hat Enterprise Linux versions 5, 6, and 7.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:N/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 2, 2026.
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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.97% (0.02968) | 86.77th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.00% (0.03001) | 85.58th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.47% (0.01473) | 79.62th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.85% (0.02847) | 91.08th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.83% (0.02829) | 89.08th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (11)
- http://lists.opensuse.org/opensuse-updates/2015-06/msg00019.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://w1.fi/security/2015-2/wps-upnp-http-chunked-transfer-encoding.txt x_refsource_CONFIRMVendor Advisory
- http://www.debian.org/security/2015/dsa-3397 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2015/05/09/4 mailing-listx_refsource_MLISTMailing List
- http://www.openwall.com/lists/oss-security/2015/05/31/6 mailing-listx_refsource_MLISTMailing List
- http://www.ubuntu.com/usn/USN-2650-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2015-4141 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1221172 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2015-4141
- https://security.gentoo.org/glsa/201606-17 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2015-4141
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-updates/2015-06/msg00019.html | vendor-advisoryx_refsource_SUSEThird Party Advisory | |
| http://w1.fi/security/2015-2/wps-upnp-http-chunked-transfer-encoding.txt | x_refsource_CONFIRMVendor Advisory | |
| http://www.debian.org/security/2015/dsa-3397 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.openwall.com/lists/oss-security/2015/05/09/4 | mailing-listx_refsource_MLISTMailing List | |
| http://www.openwall.com/lists/oss-security/2015/05/31/6 | mailing-listx_refsource_MLISTMailing List | |
| http://www.ubuntu.com/usn/USN-2650-1 | vendor-advisoryx_refsource_UBUNTU | |
| https://access.redhat.com/security/cve/CVE-2015-4141 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1221172 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-4141 | ||
| https://security.gentoo.org/glsa/201606-17 | vendor-advisoryx_refsource_GENTOOThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2015-4141 |
Change history (0)
No recorded changes yet.