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Debian Security Advisory 4538-1

Debian Security Advisory 4538-1
Posted Sep 29, 2019
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4538-1 - Two vulnerabilities were found in the WPA protocol implementation found in wpa_supplication (station) and hostapd (access point).

tags | advisory, vulnerability, protocol
systems | linux, debian
advisories | CVE-2019-13377, CVE-2019-16275
SHA-256 | d22e9daecb711b8533efffb1ae4b9847908a7c560f88f2d9cb76bb9fa721bb23

Debian Security Advisory 4538-1

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- -------------------------------------------------------------------------
Debian Security Advisory DSA-4538-1 security@debian.org
https://www.debian.org/security/ Yves-Alexis Perez
September 29, 2019 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : wpa
CVE ID : CVE-2019-13377 CVE-2019-16275
Debian Bug : 934180 940080

Two vulnerabilities were found in the WPA protocol implementation found in
wpa_supplication (station) and hostapd (access point).

CVE-2019-13377

A timing-based side-channel attack against WPA3's Dragonfly handshake when
using Brainpool curves could be used by an attacker to retrieve the
password.

CVE-2019-16275

Insufficient source address validation for some received Management frames
in hostapd could lead to a denial of service for stations associated to an
access point. An attacker in radio range of the access point could inject a
specially constructed unauthenticated IEEE 802.11 frame to the access point
to cause associated stations to be disconnected and require a reconnection
to the network.

For the oldstable distribution (stretch), these problems have been fixed
in version $stretch_VERSION.

For the stable distribution (buster), these problems have been fixed in
version 2:2.7+git20190128+0c1e29f-6+deb10u1.

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: debian-security-announce@lists.debian.org
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