Buffer overflow in W1.fi Hostapd
CVE-2015-4141
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.030 (86.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: -0.000
Affected products
- W1.fi Hostapd — versions 0.7.0, 0.7.1, 0.7.2
- W1.fi Wpa Supplicant — versions 0.7.0, 0.7.1, 0.7.2
- openSUSE — versions 13.1, 13.2
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2015/05/31/6 (mailing-list, Mailing List)
- www.debian.org/security/2015/dsa-3397 (vendor-advisory)
- w1.fi/security/2015-2/wps-upnp-http-chunked-transfer-encoding.txt (Vendor Advisory)
- security.gentoo.org/glsa/201606-17 (vendor-advisory, Third Party Advisory)
- www.ubuntu.com/usn/USN-2650-1 (vendor-advisory)
- lists.opensuse.org/opensuse-updates/2015-06/msg00019.html (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2015/05/09/4 (mailing-list, Mailing List)