drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Denial of Service in wpa_supplicant
Name: |
Denial of Service in wpa_supplicant |
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ID: |
USN-3969-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 18.10, Ubuntu 19.04 |
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Datum: |
Di, 7. Mai 2019, 17:51 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11555 |
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Applikationen: |
wpa_supplicant |
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Originalnachricht |
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============5749185020231716949== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="sVTuE7njOBO2idsdy0S1hcRgw0hwFmOL2"
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --sVTuE7njOBO2idsdy0S1hcRgw0hwFmOL2 Content-Type: multipart/mixed; boundary="W70vDCvyhoQyYdcygGU6Kn5VvJYK5CqPs"; protected-headers="v1" From: Marc Deslauriers <marc.deslauriers@canonical.com> Reply-To: Ubuntu Security <security@ubuntu.com> To: "ubuntu-security-announce@lists.ubuntu.com" <ubuntu-security-announce@lists.ubuntu.com> Message-ID: <e5c5fa6d-d78c-5d97-02f2-a4075dad1f5e@canonical.com> Subject: [USN-3969-1] wpa_supplicant and hostapd vulnerability
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========================================================================== Ubuntu Security Notice USN-3969-1 May 07, 2019
wpa vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.04 - Ubuntu 18.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS
Summary:
wpa_supplicant and hostapd could be made to crash if they received specially crafted network traffic.
Software Description: - wpa: client support for WPA and WPA2
Details:
It was discovered that wpa_supplicant and hostapd incorrectly handled unexpected fragments when using EAP-pwd. A remote attacker could possibly use this issue to cause a denial of service.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 19.04: hostapd 2:2.6-21ubuntu3.1 wpasupplicant 2:2.6-21ubuntu3.1
Ubuntu 18.10: hostapd 2:2.6-18ubuntu1.2 wpasupplicant 2:2.6-18ubuntu1.2
Ubuntu 18.04 LTS: hostapd 2:2.6-15ubuntu2.3 wpasupplicant 2:2.6-15ubuntu2.3
Ubuntu 16.04 LTS: hostapd 2.4-0ubuntu6.5 wpasupplicant 2.4-0ubuntu6.5
After a standard system update you need to reboot your computer to make all the necessary changes.
References: https://usn.ubuntu.com/usn/usn-3969-1 CVE-2019-11555
Package Information: https://launchpad.net/ubuntu/+source/wpa/2:2.6-21ubuntu3.1 https://launchpad.net/ubuntu/+source/wpa/2:2.6-18ubuntu1.2 https://launchpad.net/ubuntu/+source/wpa/2:2.6-15ubuntu2.3 https://launchpad.net/ubuntu/+source/wpa/2.4-0ubuntu6.5
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