lack of validation for the v and s value in recover() funciton

Handle JMukesh Vulnerability details Impact due to lack of checking of v and s value in recover it become prone to signature malleability Proof of Concept check out the tryRecover of ECDSA.sol Tools Used manual reveiw Recommended Mitigation Steps add necessary check to make the signature unique -...

golang: crypto/tls: certificate of wrong type is causing TLS client to panic

A flaw was found in golang. A panic can be triggered by an attacker in a privileged network position without access to the server certificate's private key, as long as a trusted ECDSA or Ed25519 certificate for the server exists or can be issued, or the client is configured with...

OpenSSL: ECDSA Private Key Leak (CVE-2011-1945) - Linux

OpenSSL leaks ECDSA private key through a remote timing attack. Copyright C 2021 Greenbone Networks GmbH 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-or-later This program is free softwar...

OpenSSL: ECDSA Private Key Leak (CVE-2011-1945) - Windows

OpenSSL leaks ECDSA private key through a remote timing attack. Copyright C 2021 Greenbone Networks GmbH 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-or-later This program is free softwar...

golang: crypto/tls: certificate of wrong type is causing TLS client to panic

A flaw was found in golang. A panic can be triggered by an attacker in a privileged network position without access to the server certificate's private key, as long as a trusted ECDSA or Ed25519 certificate for the server exists or can be issued, or the client is configured with...

Timing based private key exposure in Bouncy Castle

Bouncy Castle BC Java before 1.66, BC C .NET before 1.8.7, BC-FJA before 1.0.2.1, BC before 1.66, BC-FNA before 1.0.1.1 have a timing issue within the EC math library that can expose information about the private key when an attacker is able to observe timing information for the generation of...

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Bouncy Castle BC Java before 1.66, BC C .NET before 1.8.7, BC-FJA before 1.0.1.2, 1.0.2.1, and BC-FNA before 1.0.1.1 have a timing issue within the EC math library that can expose information about the private key when an attacker is able to observe timing information for the generation of multip...

golang: crypto/tls: certificate of wrong type is causing TLS client to panic

A flaw was found in golang. A panic can be triggered by an attacker in a privileged network position without access to the server certificate's private key, as long as a trusted ECDSA or Ed25519 certificate for the server exists or can be issued, or the client is configured with...

Nuvoton TPM 2.0 ECDSA Vulnerability - Lenovo Support US

No description provided...

Huawei EulerOS: Security Advisory for nettle (EulerOS-SA-2021-2307)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2021 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...

Medium: golang

Issue Overview: A vulnerability was found in archive/zip of the Go standard library. Applications written in Go can panic or potentially exhaust system memory when parsing malformed ZIP files. CVE-2021-33196 A flaw was found in golang. A panic can be triggered by an attacker in a privileged netwo...

openSUSE 15 Security Update : bouncycastle (openSUSE-SU-2021:2163-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by a vulnerability as referenced in the openSUSE-SU-2021:2163-1 advisory. - Bouncy Castle BC Java before 1.66, BC C .NET before 1.8.7, BC-FJA before 1.0.1.2, 1.0.2.1, and BC-FNA before 1.0.1.1 have a timing issue within th...

FreeBSD : go -- crypto/tls: clients can panic when provided a certificate of the wrong type for the negotiated parameters (c365536d-e3cf-11eb-9d8d-b37b683944c2)

The Go project reports : crypto/tls clients can panic when provided a certificate of the wrong type for the negotiated parameters. net/http clients performing HTTPS requests are also affected. The panic can be triggered by an attacker in a privileged network position without access to the server...

Exploit for Improper Certificate Validation in Golang Go

POC for CVE-2021-34558 bash Run the malicious TLS server...

go -- crypto/tls: clients can panic when provided a certificate of the wrong type for the negotiated parameters

The Go project reports: crypto/tls clients can panic when provided a certificate of the wrong type for the negotiated parameters. net/http clients performing HTTPS requests are also affected. The panic can be triggered by an attacker in a privileged network position without access to the server...

Huawei EulerOS: Security Advisory for python-ecdsa (EulerOS-SA-2021-2161)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2021 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...

EulerOS Virtualization 3.0.2.2 : python-ecdsa (EulerOS-SA-2021-2161)

According to the version of the python-ecdsa package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerability : - This is an easy-to-use implementation of ECDSA cryptography Elliptic Curve Digital Signature Algorithm, implemented purely in...

Advisory ROSA-SA-2021-1930

Software: nettle 2.7.1 OS: Cobalt 7.9 CVE-ID: CVE-2018-16869 CVE-Crit: MEDIUM. CVE-DESC: An oracle attack based on a Bleichenbacher-type side-channel was discovered in the way nettle handles the final transformation of PKCS 1 v1.5 data decrypted with RSA. An attacker who could run a process on th...

Advisory ROSA-SA-2021-1870

Software: libgcrypt 1.5.3 OS: Cobalt 7.9 CVE-ID: CVE-2014-5270 CVE-Crit: CRITICAL CVE-DESC: Libgcrypt before 1.5.4, used in GnuPG and other products, incorrectly performs ciphertext normalization and ciphertext randomization, making it easier for physically proximate attackers to conduct key...

openSUSE 15 Security Update : bouncycastle (openSUSE-SU-2021:0940-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by a vulnerability as referenced in the openSUSE-SU-2021:0940-1 advisory. - Bouncy Castle BC Java before 1.66, BC C .NET before 1.8.7, BC-FJA before 1.0.1.2, 1.0.2.1, and BC-FNA before 1.0.1.1 have a timing issue within th...