hostapd: The EAP-pwd implementation in hostapd (EAP server) before 2.8 and wpa_supplicant (EAP peer) before 2.8 does not valid...
CVE-2019-11555 is fixed in 3 products on 1 platform, first by hostapd 2:2.6-15ubuntu2.3, released April 25, 2019. It is not reported as exploited. Patch Radar priority: Routine.
The EAP-pwd implementation in hostapd (EAP server) before 2.8 and wpa_supplicant (EAP peer) before 2.8 does not validate fragmentation reassembly state properly for a case where an unexpected fragment could be received. This could result in process termination due to a NULL pointer dereference (denial of service). This affects eap_server/eap_server_pwd.c and eap_peer/eap_pwd.c.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| hostapd · Ubuntu 18.04.6 LTS (bionic) | 2:2.6-15ubuntu2.3 | hostapd 2:2.6-15ubuntu2.3 | Apr 25, 2019 |
| wpagui · Ubuntu 18.04.6 LTS (bionic) | 2:2.6-15ubuntu2.3 | wpagui 2:2.6-15ubuntu2.3 | Apr 25, 2019 |
| wpasupplicant · Ubuntu 18.04.6 LTS (bionic) | 2:2.6-15ubuntu2.3 | wpasupplicant 2:2.6-15ubuntu2.3 | Apr 25, 2019 |
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