Unbound < 1.5.9 daemon/remote.c Diffie-Hellman Key Exchange Value Small Subgroup Confinement Attack Vulnerability

According to its self-reported version number, the remote Unbound DNS resolver contains a flaw in the handling of Diffie-Hellman key exchange values that can allow a remote attacker to perform a small subgroup confinement attack. C Tenable Network Security, Inc. include"compat.inc"; if descriptio...

EulerOS 2.0 SP1 : nss, nss-util (EulerOS-SA-2016-1084)

According to the versions of the nss, nss-util packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - Multiple buffer handling flaws were found in the way NSS handled cryptographic data from the network. A remote attacker could use these...

Ubuntu 14.04 LTS / 16.04 LTS : NSS vulnerabilities (USN-3163-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3163-1 advisory. It was discovered that NSS incorrectly handled certain invalid Diffie-Hellman keys. A remote attacker could possibly use this flaw to cause N...

USN-3163-1: NSS vulnerabilities

It was discovered that NSS incorrectly handled certain invalid Diffie-Hellman keys. A remote attacker could possibly use this flaw to cause NSS to crash, resulting in a denial of service. This issue only applied to Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. CVE-2016-5285 Hubert Kari...

Amazon Linux AMI : nss-util / nss,nss-softokn (ALAS-2016-774)

CVE-2016-2834 nss: Multiple security flaws MFSA 2016-61 Multiple buffer handling flaws were found in the way NSS handled cryptographic data from the network. A remote attacker could use these flaws to crash an application using NSS or, possibly, execute arbitrary code with the permission of the...

Medium: nss-util, nss, nss-softokn

Issue Overview: CVE-2016-2834 nss: Multiple security flaws MFSA 2016-61 Multiple buffer handling flaws were found in the way NSS handled cryptographic data from the network. A remote attacker could use these flaws to crash an application using NSS or, possibly, execute arbitrary code with the...

CentOS 5 / 6 / 7 : nss / nss-util (CESA-2016:2779)

An update for nss and nss-util is now available for Red Hat Enterprise Linux 5, Red Hat Enterprise Linux 6, and Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a...

CentOS Update for nss CESA-2016:2779 centos5

Check for the Version of nss SPDX-FileCopyrightText: 2016 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 scriptoid"1.3.6.1.4.1.25623.1.0.882596";...

CentOS Update for nss-util CESA-2016:2779 centos6

Check for the Version of nss-util SPDX-FileCopyrightText: 2016 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 scriptoid"1.3.6.1.4.1.25623.1.0.882593";...

CentOS Update for nss CESA-2016:2779 centos6

Check for the Version of nss SPDX-FileCopyrightText: 2016 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 scriptoid"1.3.6.1.4.1.25623.1.0.882597";...

nss security update

CentOS Errata and Security Advisory CESA-2016:2779 An update for nss and nss-util is now available for Red Hat Enterprise Linux 5, Red Hat Enterprise Linux 6, and Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common...

CVE-2016-8635

It was found that Diffie Hellman Client key exchange handling in NSS 3.21.x was vulnerable to small subgroup confinement attack. An attacker could use this flaw to recover private keys by confining the client DH key to small subgroup of the desired group...

UBUNTU-CVE-2016-8635

It was found that Diffie Hellman Client key exchange handling in NSS 3.21.x was vulnerable to small subgroup confinement attack. An attacker could use this flaw to recover private keys by confining the client DH key to small subgroup of the desired group...

Moderate: Red Hat Security Advisory: nss and nss-util security update

An update for nss and nss-util is now available for Red Hat Enterprise Linux 5, Red Hat Enterprise Linux 6, and Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a...

nss: small-subgroups attack flaw

It was found that Diffie Hellman Client key exchange handling in NSS was vulnerable to small subgroup confinement attack. An attacker could use this flaw to recover private keys by confining the client DH key to small subgroup of the desired group...

CVE-2016-8635

It was found that Diffie Hellman Client key exchange handling in NSS was vulnerable to small subgroup confinement attack. An attacker could use this flaw to recover private keys by confining the client DH key to small subgroup of the desired group...

PT-2016-7536 · Mozilla +4 · Nss +4

Name of the Vulnerable Software and Affected Versions: NSS versions 3.21.x Description: A flaw was found in the Diffie Hellman Client key exchange handling, making it vulnerable to a small subgroup confinement attack. This allows an attacker to recover private keys by confining the client DH key ...

RHEL 5 / 6 / 7 : nss and nss-util (RHSA-2016:2779)

The remote Redhat Enterprise Linux 5 / 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2016:2779 advisory. Network Security Services NSS is a set of libraries designed to support the cross-platform development of security-enabled client an...

Small subgroup attack in Mozilla NSS

tl;dr While the TLS servers attacks has been pretty much studied and fixed see e.g. https://www.secure-resumption.com/ and https://weakdh.org/ the situation with the TLS clients is was not ideal and can be improved. Here I report a Small subgroup attack for TLS clients that I performed against...

OpenJDK: insufficient Diffie-Hellman public key checks (JSSE, 7192392)

Unspecified vulnerability in the Java Runtime Environment JRE component in Oracle Java SE 7 through Update 11, 6 through Update 38, 5.0 through Update 38, and 1.4.240 and earlier, and OpenJDK 6 and 7, allows remote attackers to affect confidentiality and integrity via vectors related to JSSE. NOT...