[manjaro-security] [ASA-202006-2] gnutls: man-in-the-middle
foxboron at archlinux.org
Tue Jun 9 19:42:57 CEST 2020
Arch Linux Security Advisory ASA-202006-2
Date : 2020-06-06
CVE-ID : CVE-2020-13777
Package : gnutls
Type : man-in-the-middle
Remote : Yes
Link : https://security.archlinux.org/AVG-1177
The package gnutls before version 3.6.14-1 is vulnerable to man-in-the-
Upgrade to 3.6.14-1.
# pacman -Syu "gnutls>=3.6.14-1"
The problem has been fixed upstream in version 3.6.14.
GnuTLS 3.6.x before 3.6.14 uses incorrect cryptography for encrypting a
session ticket (a loss of confidentiality in TLS 1.2, and an
authentication bypass in TLS 1.3). The earliest affected version is
3.6.4 (2018-09-24) because of an error in a 2018-09-18 commit. Until
the first key rotation, the TLS server always uses wrong data in place
of an encryption key derived from an application.
A remote attacker can man-in-the-middle a connection to bypass
authentication in TLS 1.3, and recover previous conversations in TLS
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