793 matches found
USN-3353-1: Heimdal vulnerability
Jeffrey Altman, Viktor Dukhovni, and Nicolas Williams discovered that Heimdal clients incorrectly trusted unauthenticated portions of Kerberos tickets. A remote attacker could use this to impersonate trusted network services or perform other attacks...
USN-3353-1 heimdal vulnerability
Jeffrey Altman, Viktor Dukhovni, and Nicolas Williams discovered that Heimdal clients incorrectly trusted unauthenticated portions of Kerberos tickets. A remote attacker could use this to impersonate trusted network services or perform other attacks...
[SECURITY] [DLA 1027-1] heimdal security update
Package : heimdal Version : 1.6git20120403+dfsg1-2+deb7u1 CVE ID : CVE-2017-11103 Debian Bug : 868208 Jeffrey Altman, Viktor Duchovni and Nico Williams identified a mutual authentication bypass vulnerability in Heimdal Kerberos. Also known as Orpheus Lyre, this vulnerability could be used by an...
DLA-1027-1 heimdal - security update
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Code injection
Heimdal before 7.4 allows remote attackers to impersonate services with Orpheus' Lyre attacks because it obtains service-principal names in a way that violates the Kerberos 5 protocol specification. In krb5extractticket the KDC-REP service name must be obtained from the encrypted version stored i...
CVE-2017-11103
Heimdal before 7.4 allows remote attackers to impersonate services with Orpheus' Lyre attacks because it obtains service-principal names in a way that violates the Kerberos 5 protocol specification. In krb5extractticket the KDC-REP service name must be obtained from the encrypted version stored i...
CVE-2017-11103
Heimdal before 7.4 allows remote attackers to impersonate services with Orpheus' Lyre attacks because it obtains service-principal names in a way that violates the Kerberos 5 protocol specification. In krb5extractticket the KDC-REP service name must be obtained from the encrypted version stored i...
DEBIAN-CVE-2017-11103
Heimdal before 7.4 allows remote attackers to impersonate services with Orpheus' Lyre attacks because it obtains service-principal names in a way that violates the Kerberos 5 protocol specification. In krb5extractticket the KDC-REP service name must be obtained from the encrypted version stored i...
ALPINE-CVE-2017-11103
Heimdal before 7.4 allows remote attackers to impersonate services with Orpheus' Lyre attacks because it obtains service-principal names in a way that violates the Kerberos 5 protocol specification. In krb5extractticket the KDC-REP service name must be obtained from the encrypted version stored i...
CVE-2017-11103
CVE-2017-11103 affects Heimdal (Kerberos); vulnerability arises from improper handling of the KDC-REP service name in krb5_extract_ticket, enabling remote service impersonation when the unencrypted service name is used instead of the encrypted enc_part. Apple’s security content (HT208112/HT208221...
CVE-2017-11103
Heimdal before 7.4 allows remote attackers to impersonate services with Orpheus' Lyre attacks because it obtains service-principal names in a way that violates the Kerberos 5 protocol specification. In krb5extractticket the KDC-REP service name must be obtained from the encrypted version stored i...
CVE-2017-11103
Heimdal before 7.4 allows remote attackers to impersonate services with Orpheus' Lyre attacks because it obtains service-principal names in a way that violates the Kerberos 5 protocol specification. In krb5extractticket the KDC-REP service name must be obtained from the encrypted version stored i...
CVE-2017-11103
Heimdal before 7.4 allows remote attackers to impersonate services with Orpheus' Lyre attacks because it obtains service-principal names in a way that violates the Kerberos 5 protocol specification. In krb5extractticket the KDC-REP service name must be obtained from the encrypted version stored i...
CVE-2017-11103
Heimdal before 7.4 allows remote attackers to impersonate services with Orpheus' Lyre attacks because it obtains service-principal names in a way that violates the Kerberos 5 protocol specification. In krb5extractticket the KDC-REP service name must be obtained from the encrypted version stored i...
UBUNTU-CVE-2017-11103
Heimdal before 7.4 allows remote attackers to impersonate services with Orpheus' Lyre attacks because it obtains service-principal names in a way that violates the Kerberos 5 protocol specification. In krb5extractticket the KDC-REP service name must be obtained from the encrypted version stored i...
Samba Man in the Middle Security Bypass Vulnerability (Heimdal)
Samba is prone to a MITM authentication validation bypass vulnerability. SPDX-FileCopyrightText: 2017 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...
CVE-2017-11103
Heimdal before 7.4 allows remote attackers to impersonate services with Orpheus' Lyre attacks because it obtains service-principal names in a way that violates the Kerberos 5 protocol specification. In krb5extractticket the KDC-REP service name must be obtained from the encrypted version stored i...
FreeBSD-SA-17:05.heimdal
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-17:05.heimdal Security Advisory The FreeBSD Project Topic: heimdal KDC-REP service name validation vulnerability Category: contrib Module: heimdal Announced:...
Orpheus' Lyre mutual authentication validation bypass
All versions of Samba from 4.0.0 include an embedded copy of Heimdal Kerberos. Heimdal has made a security release, which disclosed: Fix CVE-2017-11103: Orpheus' Lyre KDC-REP service name validation This is a critical vulnerability. In krb5extractticket the KDC-REP service name must be obtained...
FreeBSD -- heimdal KDC-REP service name validation vulnerability
Problem Description: There is a programming error in the Heimdal implementation that used an unauthenticated, plain-text version of the KDC-REP service name found in a ticket. Impact: An attacker who has control of the network between a client and the service it talks to will be able to impersona...