CVE-2018-12438

The CVE-2018-12438 entry concerns the Elliptic Curve Cryptography library (sunec/libsunec) enabling a memory-cache side-channel attack on ECDSA signatures (ROHNP). Documentation states an attacker must have local access or co-residency on the same host to recover an ECDSA key. No specific vulnera...

CVE-2018-12438

The Elliptic Curve Cryptography library aka sunec or libsunec allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the...

CVE-2018-12439

MatrixSSL through 3.9.5 Open allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host...

CVE-2018-12433

cryptlib through 3.4.4 allows a memory-cache side-channel attack on DSA and ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover a key, the attacker needs access to either the local machine or a different virtual machine on the same physical host. NOTE: the vendor...

CVE-2018-12435

Botan 2.5.0 through 2.6.0 before 2.7.0 allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP, related to dsa/dsa.cpp, ecgroup/ecgroup.cpp, and ecdsa/ecdsa.cpp. To discover an ECDSA key, the attacker needs access to either the local...

CVE-2018-12435

CVE-2018-12435 affects Botan 2.5.0–2.6.0 prior to 2.7.0, enabling a memory-cache side-channel attack on ECDSA (ROHNP) that could allow key recovery when attacker has local access or co-residency on the same host. Connected advisories confirm the issue in Botan’s ECDSA signing and related code pat...

CVE-2018-12435

Botan 2.5.0 through 2.6.0 before 2.7.0 allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP, related to dsa/dsa.cpp, ecgroup/ecgroup.cpp, and ecdsa/ecdsa.cpp. To discover an ECDSA key, the attacker needs access to either the local...

CVE-2018-12437

CVE-2018-12437 affects LibTomCrypt up to 1.18.1, enabling a memory-cache side-channel attack to extract ECDSA keys when an attacker has local access or co-residency on the same host. Mitigation in affected packages is to upgrade LibTomCrypt (e.g., Fedora/Mageia advisories show fixes in 1.18.2+) t...

CVE-2018-12437

LibTomCrypt through 1.18.1 allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host...

LibTomCrypt ROHNP Vulnerability

LibTomCrypt is a modular and portable encryption toolkit. A security vulnerability exists in LibTomCrypt 1.18.1 and earlier versions. An attacker can exploit this vulnerability to obtain ECDSA keys by accessing a local device or a different virtual machine on the same physical host...

PT-2018-11173

Name of the Vulnerable Software and Affected Versions LibTomCrypt versions prior to 1.18.2 Description The issue allows a memory-cache side-channel attack on ECDSA signatures, also known as the Return Of the Hidden Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to...

Botan ROHNP Vulnerability

Botan is a library of cryptographic algorithms in the C++ programming language that supports AES, DES, SHA-1, RSA, DSA and Diffie-Hellman. Botan suffers from a security vulnerability. An attacker can exploit this vulnerability to obtain ECDSA keys by accessing a local device or a different virtua...

INSIDE Secure MatrixSSL ROHNP Vulnerability

INSIDE Secure MatrixSSL is an embedded, open source SSLv3 stack from INSIDE Secure, France, designed for small applications and devices. A security vulnerability exists in INSIDE Secure MatrixSSL version 3.9.5 and earlier. An attacker can exploit this vulnerability to obtain ECDSA keys by accessi...

wolfSSL ROHNP Vulnerability

wolfSSL formerly known as CyaSSL is the United States wolfSSL company for embedded systems developers to use a small, portable embedded SSL programming library. A security vulnerability exists in the wolfcrypt/src/ecc.c file in versions prior to wolfSSL 3.15.1.patch. An attacker can exploit this...

Security update for bouncycastle (moderate)

This update for bouncycastle to version 1.59 fixes the following issues: These security issues were fixed: - CVE-2017-13098: BouncyCastle, when configured to use the JCE Java Cryptography Extension for cryptographic functions, provided a weak Bleichenbacher oracle when any TLS cipher suite using...

CVE-2018-0495

Libgcrypt before 1.7.10 and 1.8.x before 1.8.3 allows a memory-cache side-channel attack on ECDSA signatures that can be mitigated through the use of blinding during the signing process in the gcryeccecdsasign function in cipher/ecc-ecdsa.c, aka the Return Of the Hidden Number Problem or ROHNP. T...

FreeBSD : libgcrypt -- side-channel attack vulnerability (9b5162de-6f39-11e8-818e-e8e0b747a45a)

GnuPG reports : Mitigate a local side-channel attack on ECDSA signature as described in the white paper 'Return on the Hidden Number Problem'. C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from the FreeBSD VuXML database : Copyright 2003-20...

openSUSE Security Update : bouncycastle (openSUSE-2018-628)

This update for bouncycastle to version 1.59 fixes the following issues : These security issues were fixed : - CVE-2017-13098: BouncyCastle, when configured to use the JCE Java Cryptography Extension for cryptographic functions, provided a weak Bleichenbacher oracle when any TLS cipher suite usin...

CVE-2018-0495

Libgcrypt before 1.7.10 and 1.8.x before 1.8.3 allows a memory-cache side-channel attack on ECDSA signatures that can be mitigated through the use of blinding during the signing process in the gcryeccecdsasign function in cipher/ecc-ecdsa.c, aka the Return Of the Hidden Number Problem or ROHNP. T...

ALPINE-CVE-2018-0495

Libgcrypt before 1.7.10 and 1.8.x before 1.8.3 allows a memory-cache side-channel attack on ECDSA signatures that can be mitigated through the use of blinding during the signing process in the gcryeccecdsasign function in cipher/ecc-ecdsa.c, aka the Return Of the Hidden Number Problem or ROHNP. T...