[SECURITY] Fedora 38 Update: mbedtls-2.28.7-1.fc38

Mbed TLS is a light-weight open source cryptographic and SSL/TLS library written in C. Mbed TLS makes it easy for developers to include cryptographic and SSL/TLS capabilities in their embedded applications with as little hassle as possible...

CVE-2024-0202 Cryptlib: rsa key exchange ciphersuites in tls vulnerable to marvin attack

A security vulnerability has been identified in the cryptlib cryptographic library when cryptlib is compiled with the support for RSA key exchange ciphersuites in TLS by setting the USERSASUITES define, it will be vulnerable to the timing variant of the Bleichenbacher attack. An attacker that is...

Hyperledger Ursa Information Disclosure Vulnerability

Hyperledger Ursa is a cryptographic library open-sourced by Hyperledger for use with the blockchain. Hyperledger Ursa suffers from an information disclosure vulnerability that is caused by a flaw in the dangling scheme in the CL Signatures implementation. An attacker could exploit the vulnerabili...

OpenSSL Security Vulnerabilities

OpenSSL is an open source capable general-purpose cryptographic library from the OpenSSL team that implements the Secure Sockets Layer SSLv2/v3 and Secure Transport Layer TLSv1 protocols. It supports a variety of cryptographic algorithms, including symmetric ciphers, hashing algorithms, secure...

CVE-2024-21670

Ursa is a cryptographic library for use with blockchains. The revocation schema that is part of the Ursa CL-Signatures implementations has a flaw that could impact the privacy guarantees defined by the AnonCreds verifiable credential model, allowing a malicious holder of a revoked credential to...

CVE-2022-31021

Ursa is a cryptographic library for use with blockchains. A weakness in the Hyperledger AnonCreds specification that is not mitigated in the Ursa and AnonCreds implementations is that the Issuer does not publish a key correctness proof demonstrating that a generated private key is sufficient to...

Design/Logic Flaw

Ursa is a cryptographic library for use with blockchains. A weakness in the Hyperledger AnonCreds specification that is not mitigated in the Ursa and AnonCreds implementations is that the Issuer does not publish a key correctness proof demonstrating that a generated private key is sufficient to...

Design/Logic Flaw

Ursa is a cryptographic library for use with blockchains. The revocation scheme that is part of the Ursa CL-Signatures implementations has a flaw that could impact the privacy guarantees defined by the AnonCreds verifiable credential model. Notably, a malicious verifier may be able to generate a...

Design/Logic Flaw

Ursa is a cryptographic library for use with blockchains. The revocation schema that is part of the Ursa CL-Signatures implementations has a flaw that could impact the privacy guarantees defined by the AnonCreds verifiable credential model, allowing a malicious holder of a revoked credential to...

CVE-2024-22192 Ursa CL-Signatures Revocation allows verifiers to generate unique identifiers for holders

Ursa is a cryptographic library for use with blockchains. The revocation scheme that is part of the Ursa CL-Signatures implementations has a flaw that could impact the privacy guarantees defined by the AnonCreds verifiable credential model. Notably, a malicious verifier may be able to generate a...

CVE-2024-22192

CVE-2024-22192 concerns Hyperledger Ursa CL-Signatures revocation: the revocation scheme may allow a malicious verifier to derive a unique identifier for a holder when a Non-Revocation proof is presented. The flaw affects Ursa CL-Signatures implementations across the chain, with Ursa reported to ...

CVE-2024-22192 Ursa CL-Signatures Revocation allows verifiers to generate unique identifiers for holders

Ursa is a cryptographic library for use with blockchains. The revocation scheme that is part of the Ursa CL-Signatures implementations has a flaw that could impact the privacy guarantees defined by the AnonCreds verifiable credential model. Notably, a malicious verifier may be able to generate a...

CVE-2024-21670

The CVE-2024-21670 issue affects the Ursa CL-Signatures revocation scheme used in Hyperledger Ursa. The revocation schema contains a flaw that can let a malicious holder of a revoked credential generate a valid Non-Revocation Proof, causing a verifier to accept a credential as not revoked when it...

CVE-2024-21670 CL-Signatures Revocation Scheme in Ursa has flaws that allow a holder to demonstrate non-revocation of a revoked credential

Ursa is a cryptographic library for use with blockchains. The revocation schema that is part of the Ursa CL-Signatures implementations has a flaw that could impact the privacy guarantees defined by the AnonCreds verifiable credential model, allowing a malicious holder of a revoked credential to...

CVE-2022-31021 Unlinkability broken in ursa when verifiers use malicious keys

Ursa is a cryptographic library for use with blockchains. A weakness in the Hyperledger AnonCreds specification that is not mitigated in the Ursa and AnonCreds implementations is that the Issuer does not publish a key correctness proof demonstrating that a generated private key is sufficient to...

CVE-2022-31021

CVE-2022-31021 concerns Ursa/AnonCreds CL-Signatures: a weakness where the issuer’s key correctness proof is not published, potentially enabling weakened private keys that could allow verifiers to link presentations to the issuer. The issue applies to the CL-Signatures implementations used in Urs...

CVE-2022-31021 Unlinkability broken in ursa when verifiers use malicious keys

Ursa is a cryptographic library for use with blockchains. A weakness in the Hyperledger AnonCreds specification that is not mitigated in the Ursa and AnonCreds implementations is that the Issuer does not publish a key correctness proof demonstrating that a generated private key is sufficient to...

Nettle: Denial of Service

Background Nettle is a cryptographic library that is designed to fit easily in almost any context: In cryptographic toolkits for object-oriented languages, such as C++, Python, or Pike, in applications like lsh or GnuPG, or even in kernel space. Description Multiple vulnerabilities have been...

CVE-2024-20682

Windows Cryptographic Services Remote Code Execution Vulnerability...

UBUNTU-CVE-2023-50980

gf2n.cpp in Crypto++ aka cryptopp through 8.9.0 allows attackers to cause a denial of service application crash via DER public-key data for an F2^m curve, if the degree of each term in the polynomial is not strictly decreasing...