VulnerabilityModified
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…
MEDIUM 5.0EPSS 3.48%
Does this matter?
Lower severity and a low EPSS score (3.48%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 3.48% probability · 88th percentile
- CISA KEV
- Not listed
- Affected
- w1.fi/wpa supplicant · w1.fi/hostapd · opensuse/opensuse
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-updates/2015-06/msg00019.htmlThird Party Advisory
- http://w1.fi/security/2015-4/0005-EAP-pwd-peer-Fix-asymmetric-fragmentation-behavior.patch
- http://w1.fi/security/2015-4/eap-pwd-missing-payload-length-validation.txtVendor Advisory
- http://www.debian.org/security/2015/dsa-3397
- http://www.openwall.com/lists/oss-security/2015/05/09/6
- http://www.openwall.com/lists/oss-security/2015/05/31/6
- http://www.ubuntu.com/usn/USN-2650-1
- https://security.gentoo.org/glsa/201606-17Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2015-06/msg00019.htmlThird Party Advisory
- http://w1.fi/security/2015-4/0005-EAP-pwd-peer-Fix-asymmetric-fragmentation-behavior.patch
- http://w1.fi/security/2015-4/eap-pwd-missing-payload-length-validation.txtVendor Advisory
- http://www.debian.org/security/2015/dsa-3397
- http://www.openwall.com/lists/oss-security/2015/05/09/6
- http://www.openwall.com/lists/oss-security/2015/05/31/6
- http://www.ubuntu.com/usn/USN-2650-1
- https://security.gentoo.org/glsa/201606-17Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.