CVE-2015-4146
medium
CVSS v3
โ
CVSS v4 NEW
โ
VIR risk
5.0
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.
Predictions
Exploit likelihood
20%
Patch ETA
โ
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| suse | 13.1 | affected | |
| suse | 13.2 | affected | |
| debian | bookworm | fixed | 2.3-2.2 |
| debian | bullseye | fixed | 2.3-2.2 |
| debian | forky | fixed | 2.3-2.2 |
| debian | sid | fixed | 2.3-2.2 |
| debian | trixie | fixed | 2.3-2.2 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| w1.fi | wpa_supplicant | 1.0 | |
| w1.fi | wpa_supplicant | 1.1 | |
| w1.fi | wpa_supplicant | 2.0 | |
| w1.fi | wpa_supplicant | 2.1 | |
| w1.fi | wpa_supplicant | 2.2 | |
| w1.fi | wpa_supplicant | 2.3 | |
| w1.fi | wpa_supplicant | 2.4 | |
| w1.fi | hostapd | 1.0 | |
| w1.fi | hostapd | 1.1 | |
| w1.fi | hostapd | 2.0 | |
| w1.fi | hostapd | 2.1 | |
| w1.fi | hostapd | 2.2 | |
| w1.fi | hostapd | 2.3 | |
| w1.fi | hostapd | 2.4 | |
References
- http://lists.opensuse.org/opensuse-updates/2015-06/msg00019.html
- 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.txt
- 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/201606-17
- https://security-tracker.debian.org/tracker/CVE-2015-4146
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.