From:
[email protected]
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- ------------------------------------------------------------------------- Debian Security Advisory DSA-4450-1
[email protected] https://www.debian.org/security/ Yves-Alexis Perez
May 24, 2019
https://www.debian.org/security/faq
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Package : wpa
CVE ID : CVE-2019-11555
Debian Bug : 927463
A vulnerability was found in the WPA protocol implementation found in wpa_supplication (station) and hostapd (access point).
The EAP-pwd implementation in hostapd (EAP server) and wpa_supplicant (EAP peer) doesn't properly validate fragmentation reassembly state when receiving an unexpected fragment. This could lead to a process crash due to a NULL pointer derefrence.
An attacker in radio range of a station or access point with EAP-pwd support could cause a crash of the relevant process (wpa_supplicant or hostapd), ensuring a denial of service.
For the stable distribution (stretch), this problem has been fixed in
version 2:2.4-1+deb9u4.
We recommend that you upgrade your wpa packages.
For the detailed security status of wpa please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/wpa
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at:
https://www.debian.org/security/
Mailing list:
[email protected]
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