Apache HTTP Server Denial of Service Vulnerability (CNVD-2019-04946)

Apache HTTP Server is the United States Apache Apache Software Foundation, an open source web server. The server is fast, reliable and can be expanded through a simple API. A denial of service vulnerability exists in the handling of client-side renavigation by modssl in httpd in Apache HTTP Serve...

Security Bulletin: Side-channel vulnerability on SMT/Hyper-Threading architectures (PortSmash)

Summary IBM MessageSight has addressed the following vulnerability. A microprocessor side-channel vulnerability was found. An attacker running a malicious process on the same core of the processor as the victim process can extract certain secret information that can result in leakage of secret da...

Security Bulletin: Multiple vulnerabilities in Apache Tomcat, Open SSL, and Apache HTTPD affects Rational Build Forge

Summary Apache Tomcat, Open SSL, and Apache Tomcat have multiple security vulnerabilities that could allow a remote attacker to exploit the Rational Build Forge application. Respective security vulnerabilities are discussed in detail in the subsequent sections. Vulnerability Details This section...

DEBIAN-CVE-2018-0735

The OpenSSL ECDSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.0j Affected 1.1.0-1.1.0i. Fixed in OpenSSL 1.1.1a Affected 1.1.1...

openssl: bn_sqrx8x_internal carry bug on x86_64

There is a carry propagating bug in the x8664 Montgomery squaring procedure in OpenSSL before 1.0.2m and 1.1.0 before 1.1.0g. No EC algorithms are affected. Analysis suggests that attacks against RSA and DSA as a result of this defect would be very difficult to perform and are not believed likely...

openssl: Out-of-bounds write caused by unchecked errors in BN_bn2dec()

An out of bounds write flaw was discovered in the OpenSSL BNbn2dec function. An attacker able to make an application using OpenSSL to process a large BIGNUM could cause the application to crash or, possibly, execute arbitrary code...

openssl: BN_mod_exp may produce incorrect results on x86_64

There is a carry propagating bug in the x8664 Montgomery squaring procedure in OpenSSL 1.0.2 before 1.0.2k and 1.1.0 before 1.1.0d. No EC algorithms are affected. Analysis suggests that attacks against RSA and DSA as a result of this defect would be very difficult to perform and are not believed...

openssl: Read/write after SSL object in error state

OpenSSL 1.0.2 starting from version 1.0.2b introduced an "error state" mechanism. The intent was that if a fatal error occurred during a handshake then OpenSSL would move into the error state and would immediately fail if you attempted to continue the handshake. This works as designed for the...

Security Bulletin: Vulnerabilities in Open SSL affect Watson Explorer (CVE-2016-0701 and CVE-2015-3197)

Summary Two vulnerabilities in OpenSSL affect Watson Explorer. Vulnerability Details CVEID: CVE-2016-0701 DESCRIPTION: The DHcheckpubkey function in crypto/dh/dhcheck.c in OpenSSL 1.0.2 before 1.0.2f does not ensure that prime numbers are appropriate for Diffie-Hellman DH key exchange, which make...

Security Bulletin: Vulnerabilities in OpenSSL affect Rational BuildForge (CVE-2015-1792)

Summary OpenSSL vulnerabilities were disclosed on June 11, 2015 by the OpenSSL Project. OpenSSL is used by Rational BuildForge. Rational Buildforge has addressed the applicable CVEs. Vulnerability Details CVEID: CVE-2015-1792 DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by an...

Security Bulletin: OpenSSL vulnerability affects IBM Security Guardium (CVE-2017-3731)

Summary OpenSSL is vulnerable to a denial of service, caused by an out-of-bounds read when using a specific cipher. Vulnerability Details CVEID: CVE-2017-3731 DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by an out-of-bounds read when using a specific cipher. By sending...

Security Bulletin: Cognos BI Server is affected by the following vulnerabilities: CVE-2014-0107, CVE-2014-0075, CVE-2014-0096, CVE-2014-0099, CVE-2014-0119, CVE-2014-0878, CVE-2014-0460

Summary Security vulnerabilities have been discovered in Tomcat, XalanJ and the IBM JRE that were reported in late May, 2014. Vulnerability Details CVE-ID: CVE-2014-0107 DESCRIPTION: Apache Xalan-Java could allow a remote attacker to bypass security restrictions, caused by the improper handling o...

OpenSSL Security Restriction Bypass Vulnerability (CNVD-2018-06538)

OpenSSL is an open source implementation of SSL used to implement strong encryption for network communications. A security vulnerability exists in the OpenSSL version 1.1.0-1.1.0g PA-RISC CRYPTOmemcmp function implementation, which can be exploited by an attacker via a constructed message to bypa...

CVE-2017-3737 - Read, write after SSL object in error state. (BSA-2018-527).

Security Advisory ID: BSA-2018-527 Component: OpenSSL Revision : 3.0: Final OpenSSL 1.0.2 starting from version 1.0.2b introduced an "error state" mechanism. The intent was that if a fatal error occurred during a handshake, then OpenSSL would move into the error state and would immediately fail i...

BSA-2017-383

Security Advisory ID : BSA-2017-383 Component : OpenSSL Revision : 2.0: Interim The signing function in crypto/ecdsa/ecdsaossl.c in certain OpenSSL versions and forks is vulnerable to timing attacks when signing with the standardized elliptic curve P-256 despite featuring constant-time curve...

USN-3382-1 php5, php7.0 vulnerabilities

It was discovered that the PHP opcache created keys for files it cached based on their filepath. A local attacker could possibly use this issue in a shared hosting environment to obtain sensitive information. This issue only affected Ubuntu 14.04 LTS. CVE-2015-8994 It was discovered that the PHP...

Unspecified vulnerability in nss_compat_ossl

nsscompatossl is a compatibility conversion program that converts OpenSSL to an NSS cryptographic library. A security vulnerability exists in the cipherstring parsing code in nsscompatossl, which stems from the program failing to match the corresponding cipherstring in multiple keyword patterns. ...

netty: Infinite loop vulnerability when handling renegotiation using SslProvider.OpenSsl

An infinite-loop vulnerability was discovered in Netty's OpenSslEngine handling of renegotiation. An attacker could exploit this flaw to cause a denial of service. Note: Netty is only vulnerable if renegotiation is enabled default setting...

netty: Infinite loop vulnerability when handling renegotiation using SslProvider.OpenSsl

An infinite-loop vulnerability was discovered in Netty's OpenSslEngine handling of renegotiation. An attacker could exploit this flaw to cause a denial of service. Note: Netty is only vulnerable if renegotiation is enabled default setting...

OpenSSL Memory Leak Vulnerability in Polycom HDX Series Video Conferencing Systems

The Polycom HDX Series of products are multipoint video conferencing system servers that provide easy-to-manage multipoint video and integrated conferencing services for next-generation real-time media conferencing platforms. An OpenSSL memory leak vulnerability exists in the Polycom HDX Series...