Debian DLA-2997-1 : ecdsautils - LTS security update

The remote Debian 9 host has a package installed that is affected by a vulnerability as referenced in the dla-2997 advisory. In ecdsautils, a collection of ECDSA elliptic curve cryptography command line tools, an improper verification of cryptographic signatures was detected. A signature consisti...

DEBIAN-CVE-2022-24884

ecdsautils is a tiny collection of programs used for ECDSA keygen, sign, verify. ecdsaverifypreparelegacy does not check whether the signature values r and s are non-zero. A signature consisting only of zeroes is always considered valid, making it trivial to forge signatures. Requiring multiple...

CVE-2022-24884

ecdsautils is a tiny collection of programs used for ECDSA keygen, sign, verify. ecdsaverifypreparelegacy does not check whether the signature values r and s are non-zero. A signature consisting only of zeroes is always considered valid, making it trivial to forge signatures. Requiring multiple...

Design/Logic Flaw

ecdsautils is a tiny collection of programs used for ECDSA keygen, sign, verify. ecdsaverifypreparelegacy does not check whether the signature values r and s are non-zero. A signature consisting only of zeroes is always considered valid, making it trivial to forge signatures. Requiring multiple...

Debian: Security Advisory (DSA-5128-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2022 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...

The Bug Report – April 2022 Edition

The Bug Report – April 2022 Edition By Mark Bereza · May 4, 2022 Your Cybersecurity Comic Relief Source: https://twitter.com/cyb3rops/status/1509290413168934918 Why Am I here? For those in my hemisphere, springtime is finally here and, like always, it promises change: the flowers are blooming, th...

The Bug Report – April 2022 Edition

The Bug Report – April 2022 Edition By Trellix · May 4, 2022 This blog was written by Mark Bereza Your Cybersecurity Comic Relief Source: https://twitter.com/cyb3rops/status/1509290413168934918 Why Am I here? For those in my hemisphere, springtime is finally here and, like always, it promises...

[SECURITY] [DSA 5128-1] openjdk-17 security update

------------------------------------------------------------------------- Debian Security Advisory DSA-5128-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff May 03, 2022 https://www.debian.org/security/faq -...

Security Bulletin: IBM InfoSphere Master Data Management Standard and Advanced Editions are affected by vulnerabilities in OpenSSL (CVE-2018-0735, CVE-2018-0734, CVE-2018-5407)

Summary Security vulnerabilities have been discovered in OpenSSL. Vulnerability Details CVEID: CVE-2018-0735 DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive information, caused by a timing side channel attack in the ECDSA signature algorithm. An attacker could exploit this...

Ubuntu: Security Advisory (USN-5388-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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-5388-2 openjdk-17 vulnerabilities

It was discovered that OpenJDK incorrectly verified ECDSA signatures. An attacker could use this issue to bypass the signature verification process. CVE-2022-21449 It was discovered that OpenJDK incorrectly limited memory when compiling a specially crafted XPath expression. An attacker could...

USN-5388-2: OpenJDK vulnerabilities

It was discovered that OpenJDK incorrectly verified ECDSA signatures. An attacker could use this issue to bypass the signature verification process. CVE-2022-21449 It was discovered that OpenJDK incorrectly limited memory when compiling a specially crafted XPath expression. An attacker could...

Check Point Response to CVE-2022-21449 - Java "Psychic Signatures"

Symptoms - On April 20, 2022, security researcher Neil Madden published a blog post in which he provided details about a newly disclosed vulnerability in Java, CVE-2022-21449 or "Psychic Signatures". This security vulnerability originates in an incorrect implementation of the ECDSA signature...

Java Cryptography Implementation Mistake Allows Digital-Signature Forgeries

Interesting implementation mistake: The vulnerability, which Oracle patched on Tuesday, affects the company’s implementation of the Elliptic Curve Digital Signature Algorithm in Java versions 15 and above. ECDSA is an algorithm that uses the principles of elliptic curve cryptography to authentica...

Researcher Releases PoC for Recent Java Cryptographic Vulnerability

A proof-of-concept PoC code demonstrating a newly disclosed digital signature bypass vulnerability in Java has been shared online. The high-severity flaw in question, CVE-2022-21449 CVSS score: 7.5, impacts the following versions of Java SE and Oracle GraalVM Enterprise Edition - Oracle Java SE:...

The vulnerability of the ECDSA digital signature algorithm implementation in Oracle Java SE software and the Oracle GraalVM Enterprise Edition virtual machine allows a perpetrator to compromise the confidentiality, integrity, and accessibility of information.

The vulnerability of the ECDSA digital signature algorithm implementation in Oracle Java SE software and the Oracle GraalVM Enterprise Edition virtual machine is related to improper verification of the cryptographic signature. Exploiting this vulnerability could allow an attacker to compromise th...

Oracle OpenJDK ECDSA Signatures Vulnerability (CVE-2022-21449)

Oracle OpenJDK is prone to vulnerability in the implementation of ECDSA signature verification Component: security-libs/java.security. Copyright C 2022 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders...

Exploit for CVE-2022-21449

CVE-2022-21449-TLS-PoC CVE-2022-21449 also dubbed Psychic Si...

Exploit for CVE-2022-21449

CVE-2022-21449-TLS-PoC CVE-2022-21449 also dubbed Psychic Si...

OpenJDK: Improper ECDSA signature verification (Libraries, 8277233)

Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE component: Libraries. Supported versions that are affected are Oracle Java SE: 17.0.2 and 18; Oracle GraalVM Enterprise Edition: 21.3.1 and 22.0.0.2. Easily exploitable vulnerability allows...