CVE-2020-15313

Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded ECDSA SSH key for the root account...

ECDSA signature validation vulnerability by accepting wrong ASN.1 encoding in jsrsasign

Impact Jsrsasign supports ECDSA signature validation which signature value is represented by ASN.1 DER encoding. This vulnerablity may accept a wrong ASN.1 DER encoded ECDSA signature such as: - wrong multi-byte ASN.1 length of TLV ex. 0x820045 even though 0x45 is correct - prepending zeros with...

Huawei EulerOS: Security Advisory for python2-ecdsa (EulerOS-SA-2020-1711)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 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 for ARM 64 3.0.6.0 : python2-ecdsa (EulerOS-SA-2020-1711)

According to the version of the python2-ecdsa package installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerability : - A flaw was found in python-ecdsa, where it did not correctly verify whether signatures used DER encoding. Without...

USN-4376-1: OpenSSL vulnerabilities | Cloud Foundry

Severity Low Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Canonical Ubuntu 18.04 Description Cesar Pereida García, Sohaib ul Hassan, Nicola Tuveri, Iaroslav Gridin, Alejandro Cabrera Aldaya, and Billy Brumley discovered that OpenSSL incorrectly handled ECDSA signatures. An...

Malleable ECDSA Signature

jsrsasign uses a malleable ECDSA signature. The vulnerability exists as it does not check for overflows in the length of a sequence, and allows 0 characters appended or prepended to an integer to be verified as the same as without the extra 0 characters...

CVE-2020-14966

An issue was discovered in the jsrsasign package through 8.0.18 for Node.js. It allows a malleability in ECDSA signatures by not checking overflows in the length of a sequence and '0' characters appended or prepended to an integer. The modified signatures are verified as valid. This could have a...

CVE-2020-14966

An issue was discovered in the jsrsasign package through 8.0.18 for Node.js. It allows a malleability in ECDSA signatures by not checking overflows in the length of a sequence and '0' characters appended or prepended to an integer. The modified signatures are verified as valid. This could have a...

Design/Logic Flaw

An issue was discovered in the jsrsasign package through 8.0.18 for Node.js. It allows a malleability in ECDSA signatures by not checking overflows in the length of a sequence and '0' characters appended or prepended to an integer. The modified signatures are verified as valid. This could have a...

CVE-2020-14966

An issue was discovered in the jsrsasign package through 8.0.18 for Node.js. It allows a malleability in ECDSA signatures by not checking overflows in the length of a sequence and '0' characters appended or prepended to an integer. The modified signatures are verified as valid. This could have a...

CVE-2020-14966

The CVE-2020-14966 issue affects the jsrsasign package up to version 8.0.18 in Node.js. Root cause: malleability in ECDSA signatures from insufficient checks of ASN.1/DER encoding, specifically overflow in sequence length and prepended/appended zeroes to integers, allowing altered signatures to v...

CVE-2020-13822

The Elliptic for Node.js allows ECDSA signature malleability via variations in encoding, leading '\0' bytes, or integer overflows. This could conceivably have a security-relevant impact if an application relied on a single canonical signature...

EulerOS 2.0 SP2 : openssl110f (EulerOS-SA-2020-1629)

According to the versions of the openssl110f packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - The OpenSSL ECDSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in...

EulerOS 2.0 SP2 : nss-softokn (EulerOS-SA-2020-1651)

According to the versions of the nss-softokn packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - 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...

MGASA-2020-0265 Updated mbedtls packages fix security vulnerability

Updated mbedtls packages fix security vulnerability Fix side channel in ECC code that allowed an adversary with access to precise enough timing and memory access information typically an untrusted operating system attacking a secure enclave to fully recover an ECDSA private key. CVE-2020-10932 Fi...

Huawei EulerOS: Security Advisory for openssl110f (EulerOS-SA-2020-1629)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 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...

CVE-2020-13895

Crypt::Perl::ECDSA in the Crypt::Perl aka p5-Crypt-Perl module before 0.32 for Perl fails to verify correct ECDSA signatures when r and s are small and when s = 1. This happens when using the curve secp256r1 prime256v1. This could conceivably have a security-relevant impact if an attacker wishes ...

CVE-2020-13895

Crypt::Perl::ECDSA in the Crypt::Perl aka p5-Crypt-Perl module before 0.32 for Perl fails to verify correct ECDSA signatures when r and s are small and when s = 1. This happens when using the curve secp256r1 prime256v1. This could conceivably have a security-relevant impact if an attacker wishes ...

Design/Logic Flaw

Crypt::Perl::ECDSA in the Crypt::Perl aka p5-Crypt-Perl module before 0.32 for Perl fails to verify correct ECDSA signatures when r and s are small and when s = 1. This happens when using the curve secp256r1 prime256v1. This could conceivably have a security-relevant impact if an attacker wishes ...

CVE-2020-13895

Crypt::Perl::ECDSA in the Crypt::Perl aka p5-Crypt-Perl module before 0.32 for Perl fails to verify correct ECDSA signatures when r and s are small and when s = 1. This happens when using the curve secp256r1 prime256v1. This could conceivably have a security-relevant impact if an attacker wishes ...