Vulnerability in W1.fi Hostapd
CVE-2015-4146
The EAP-pwd peer implementation in hostapd and wpa_supplicant 1.0 through 2.4 does not clear the L (Length) and M (More) flags before determining if a response should be fragmented, which allows remote attackers to cause a denial of service (crash) via a crafted message.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.035 (88.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: -0.000
Affected products
- W1.fi Hostapd — versions 1.0, 1.1, 2.0
- W1.fi Wpa Supplicant — versions 1.0, 1.1, 2.0
- openSUSE — versions 13.1, 13.2
References
- www.openwall.com/lists/oss-security/2015/05/31/6 (mailing-list)
- w1.fi/security/2015-4/0005-EAP-pwd-peer-Fix-asymmetric-fragmentation-behavior.p…
- www.debian.org/security/2015/dsa-3397 (vendor-advisory)
- security.gentoo.org/glsa/201606-17 (vendor-advisory, Third Party Advisory)
- www.ubuntu.com/usn/USN-2650-1 (vendor-advisory)
- w1.fi/security/2015-4/eap-pwd-missing-payload-length-validation.txt (Vendor Advisory)
- lists.opensuse.org/opensuse-updates/2015-06/msg00019.html (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2015/05/09/6 (mailing-list)