PRIOn knowledge basePRION:CVE-2015-4146Design/Logic Flaw
6.9 Medium
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.024 Low
EPSS
Percentile
89.6%
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.
References
lists.opensuse.org/opensuse-updates/2015-06/msg00019.html
w1.fi/security/2015-4/0005-EAP-pwd-peer-Fix-asymmetric-fragmentation-behavior.patch
w1.fi/security/2015-4/eap-pwd-missing-payload-length-validation.txt
www.debian.org/security/2015/dsa-3397
www.openwall.com/lists/oss-security/2015/05/09/6
www.openwall.com/lists/oss-security/2015/05/31/6
www.ubuntu.com/usn/USN-2650-1
security.gentoo.org/glsa/201606-17
Related
6.9 Medium
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.024 Low
EPSS
Percentile
89.6%