SOL9889 - NTP vulnerability CVE-2009-0021

Description NTP may not properly check the return value from the OpenSSL EVPVerifyFinal function, which may allow a remote attacker to bypass validation of the certificate chain by way of a malformed SSL/TLS signature for DSA and ECDSA keys. Note: This is a similar vulnerability to CVE-2008-5077...

VMSA-2009-0004:ESX Service Console updates for openssl, bind, and vim

VMSA-2009-0004.3 ESX Service Console updates for openssl, bind, and vim VMware Security Advisory VMware Security Advisory Advisory ID: VMSA-2009-0004.3 VMware Security Advisory Synopsis: ESX Service Console updates for openssl, bind, and vim VMware Security Advisory Issue date: 2009-03-31 VMware...

GLSA-200902-02 : OpenSSL: Certificate validation error

The remote host is affected by the vulnerability described in GLSA-200902-02 OpenSSL: Certificate validation error The Google Security Team reported that several functions incorrectly check the result after calling the EVPVerifyFinal function, allowing a malformed signature to be treated as a goo...

OpenSSL / ntp / bind / boinc certificate validation cryptographic vulnerabilities

Multiple vulnerabilities in SSL/TLS DSA/ECDSA certificate chain validations...

ntp incorrectly checks for malformed signatures

NTP 4.2.4 before 4.2.4p5 and 4.2.5 before 4.2.5p150 does not properly check the return value from the OpenSSL EVPVerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys, a similar vulnerability to...

Gale EVP_VerifyFinal() Security Bypass Vulnerability

The host is running Gale and is prone to security bypass vulnerability. OpenVAS Vulnerability Test $Id: gbgalesecbypassvuln.nasl 5656 2017-03-21 11:03:12Z cfi $ Gale EVPVerifyFinal Security Bypass Vulnerability Authors: Sharath S Copyright: Copyright c 2009 Greenbone Networks GmbH,...

Gale EVP_VerifyFinal() Security Bypass Vulnerability

Gale is prone to a security bypass vulnerability. SPDX-FileCopyrightText: 2009 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...

NTP EVP_VerifyFinal() Security Bypass Vulnerability

This host has NTP installed and is prone to security bypass vulnerability. OpenVAS Vulnerability Test $Id: gbntpsecbypassvuln.nasl 7573 2017-10-26 09:18:50Z cfischer $ NTP EVPVerifyFinal Security Bypass Vulnerability Authors: Chandan S Copyright: Copyright c 2009 Greenbone Networks GmbH,...

ISC BIND OpenSSL DSA_verify() Security Bypass Vulnerability

ISC BIND is prone to a security bypass vulnerability. SPDX-FileCopyrightText: 2009 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 = "cpe:/a:isc:bind"; ifdescription...

Slackware 11.0 / 12.0 / 12.1 / 12.2 / current : openssl (SSA:2009-014-01)

New openssl packages are available for Slackware 11.0, 12.0, 12.1, 12.2, and -current to fix a security issue when connecting to an SSL/TLS server that uses a certificate containing a DSA or ECDSA key. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in...

openssl

New openssl packages are available for Slackware 11.0, 12.0, 12.1, 12.2, and -current to fix a security issue when connecting to an SSL/TLS server that uses a certificate containing a DSA or ECDSA key. More details about this issue may be found here: http://www.openssl.org/news/secadv20090107.txt...

Ubuntu: Security Advisory (USN-704-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2009 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 USN-704-1 (openssl)

The remote host is missing an update to openssl announced via advisory USN-704-1. It was discovered that OpenSSL did not properly perform signature verification on DSA and ECDSA keys. If user or automated system connected to a malicious server or a remote attacker were able to perform a...

[oCERT-2008-016] Multiple OpenSSL signature verification API misuses

2008-016 multiple OpenSSL signature verification API misuse Description: Several functions inside the OpenSSL library incorrectly check the result after calling the EVPVerifyFinal function. This bug allows a malformed signature to be treated as a good signature rather than as an error. This issue...

OpenSSL 'EVP_VerifyFinal'函数签名验证漏洞

BUGTRAQ ID: 33150 CVE ID：CVE-2008-5077 CNCVE ID：CNCVE-20085077 OpenSSL是一款开放源码的SSL实现，用来实现网络通信的高强度加密。 部分OpenSSL函数验证DSA和ECDSA密钥时不正确验证"EVPVerifyFinal"函数返回值，发送特殊构建的签名证书链给客户端，可绕过签名检查。 通过恶意服务器或中间人攻击，可使证书链中的畸形SSL/TLS签名绕过客户端软件检查，导致盲目信任并泄漏敏感信息。 成功利用此漏洞需要服务器使用包含DSA或者ECDSA密钥的证书。 Ubuntu Ubuntu Linux 8.10 spar...

USN-704-1: OpenSSL vulnerability

It was discovered that OpenSSL did not properly perform signature verification on DSA and ECDSA keys. If user or automated system connected to a malicious server or a remote attacker were able to perform a machine-in-the-middle attack, this flaw could be exploited to view sensitive information...

CVE-2009-0049

Belgian eID middleware eidlib 2.6.0 and earlier does not properly check the return value from the OpenSSL EVPVerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys, a similar vulnerability to...

CVE-2009-0048

OpenEvidence 1.0.6 and earlier does not properly check the return value from the OpenSSL EVPVerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys, a similar vulnerability to CVE-2008-5077...

CVE-2009-0047

Gale 0.99 and earlier does not properly check the return value from the OpenSSL EVPVerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys, a similar vulnerability to CVE-2008-5077...

CVE-2009-0049

Belgian eID middleware eidlib 2.6.0 and earlier does not properly check the return value from the OpenSSL EVPVerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys, a similar vulnerability to...