USN-3353-1: Heimdal vulnerability | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 14.04 Description 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...

Fedora Update for heimdal FEDORA-2017-2afe501b36

The remote host is missing an update for the 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 ifdescription...

USN-3353-3: Heimdal vulnerability

USN-3353-1 fixed a vulnerability in Heimdal. This update provides the corresponding updade for Ubuntu 12.04 ESM. Original advisory details: Jeffrey Altman, Viktor Dukhovni, and Nicolas Williams discovered that Heimdal clients incorrectly trusted unauthenticated portions of Kerberos tickets. A...

Fedora 26 : heimdal (2017-2afe501b36) (Orpheus' Lyre)

Update to 7.4.0 GA release CVE-2017-11103 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues...

Fedora Update for heimdal FEDORA-2017-5d6a9e0c9c

The remote host is missing an update for the 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 ifdescription...

[SECURITY] Fedora 25 Update: heimdal-7.4.0-1.fc25

Kerberos 5 is a network authentication and single sign-on system. Heimdal is a free Kerberos 5 implementation without export restrictions written from the spec rfc1510 and successors including advanced features like thread safety, IPv6, master-slave replication of Kerberos Key Distribution Center...

[SECURITY] Fedora 26 Update: heimdal-7.4.0-1.fc26

Kerberos 5 is a network authentication and single sign-on system. Heimdal is a free Kerberos 5 implementation without export restrictions written from the spec rfc1510 and successors including advanced features like thread safety, IPv6, master-slave replication of Kerberos Key Distribution Center...

Debian DSA-3912-1 : heimdal - security update (Orpheus' Lyre)

Jeffrey Altman, Viktor Dukhovni, and Nicolas Williams reported that Heimdal, an implementation of Kerberos 5 that aims to be compatible with MIT Kerberos, trusts metadata taken from the unauthenticated plaintext Ticket, rather than the authenticated and encrypted KDC response. A man-in-the-middle...

Heimdal Man-in-the-Middle Security Restriction Bypass Vulnerability

Heimdal is a Kerberos 5 implementation developed primarily in Sweden. Heimdal violates the Kerberos 5 protocol rules when obtaining service protocol names, allowing remote attackers to exploit the vulnerability to submit special requests, bypass certain security restrictions, and perform...

Ubuntu 14.04 LTS / 16.04 LTS : Heimdal vulnerability (USN-3353-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-3353-1 advisory. Jeffrey Altman, Viktor Dukhovni, and Nicolas Williams discovered that Heimdal clients incorrectly trusted unauthenticated portions of Kerberos tickets...

Debian DLA-1027-1 : heimdal security update (Orpheus' Lyre)

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 attacker to mount a service impersonation attack on the client if he's on the network path between the...

Samba 4.4.x < 4.4.15 / 4.5.x < 4.5.12 / 4.6.x < 4.6.6 KDC-REP Service Name Validation (Orpheus' Lyre)

The version of Samba running on the remote host is 4.4.x prior to 4.4.15, 4.5.x prior to 4.5.12, or 4.6.x prior to 4.6.6. It is, therefore, affected by a logic flaw in the Heimdal implementation of Kerberos, specifically within the krb5extractticket function within lib/krb5/ticket.c, due to the...

[SECURITY] [DSA 3912-1] heimdal security update

------------------------------------------------------------------------- Debian Security Advisory DSA-3912-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso July 16, 2017 https://www.debian.org/security/faq -...

[SECURITY] [DSA 3912-1] heimdal security update

------------------------------------------------------------------------- Debian Security Advisory DSA-3912-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso July 16, 2017 https://www.debian.org/security/faq -...

Debian Security Advisory DSA 3912-1 (heimdal - security update)

Jeffrey Altman, Viktor Dukhovni, and Nicolas Williams reported that Heimdal, an implementation of Kerberos 5 that aims to be compatible with MIT Kerberos, trusts metadata taken from the unauthenticated plaintext Ticket, rather than the authenticated and encrypted KDC response. A man-in-the-middle...

DSA-3912-1 heimdal - security update

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Ubuntu: Security Advisory (USN-3353-1)

The remote host is missing an update for the 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 ifdescription...

Ubuntu: Security Advisory (USN-3353-2)

The remote host is missing an update for the 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 ifdescription...

Debian: Security Advisory (DSA-3912-1)

The remote host is missing an update for the Debian 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 ifdescription...

USN-3353-2: Samba vulnerability

USN-3353-1 fixed a vulnerability in Heimdal. This update provides the corresponding update for Samba. Jeffrey Altman, Viktor Dukhovni, and Nicolas Williams discovered that Samba clients incorrectly trusted unauthenticated portions of Kerberos tickets. A remote attacker could use this to impersona...