CVE-2015-4146 — Improper Input Validation in Hostapd

CWE-20 — Improper Input ValidationCWE-125 — Out-of-bounds Read9 documents8 sources
Severity
5.0MEDIUMNVD
OSV4.3
EPSS
1.3%
top 20.16%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
OpensuseW1.fi HostapdW1.fi WPA Supplicant
Timeline
PublishedJun 15
Latest updateMay 14

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 vector

AV:N/AC:L/C:N/I:N/A:PExploitability: 10.0 | Impact: 2.9

Affected Packages3 packages

▶NVDw1.fi/hostapd7 versions+6
▶NVDopensuse/opensuse13.1, 13.2+1
▶NVDw1.fi/wpa_supplicant7 versions+6

🔴Vulnerability Details

4
GHSA
GHSA-f2m4-x3g9-fqq7: The EAP-pwd peer implementation in hostapd and wpa_supplicant 1↗2022-05-14
▶
OSV
wpa, wpasupplicant vulnerabilities↗2015-06-16
▶
CVEList
CVE-2015-4146: The EAP-pwd peer implementation in hostapd and wpa_supplicant 1↗2015-06-15
▶
OSV
CVE-2015-4146: The EAP-pwd peer implementation in hostapd and wpa_supplicant 1↗2015-06-15
▶

📋Vendor Advisories

3
Ubuntu
wpa_supplicant and hostapd vulnerabilities↗2015-06-16
▶
Red Hat
hostapd: EAP-pwd missing payload length validation↗2015-05-04
▶
Debian
CVE-2015-4146: wpa - The EAP-pwd peer implementation in hostapd and wpa_supplicant 1.0 through 2.4 do...↗2015
▶

💬Community

1
Bugzilla
CVE-2015-4143 CVE-2015-4144 CVE-2015-4145 CVE-2015-4146 wpa_supplicant and hostapd: EAP-pwd missing payload length validation↗2015-05-07
▶
CVE-2015-4146 — Improper Input Validation in Hostapd | cvebase