CVE-2020-27209

CVE-2020-27209 affects the micro-ecc library (v1.0) ECDSA; the ECDSA operation is vulnerable to simple power analysis, enabling an attacker to extract the private ECC key. Consequences: Confidentiality impact (private key exposure) as documented. No remediation specifics (patch/version) are provi...

CVE-2020-27209

The ECDSA operation of the micro-ecc library 1.0 is vulnerable to simple power analysis attacks which allows an adversary to extract the private ECC key...

micro-ecc 安全漏洞

micro-ecc is a software application. Small and fast ECDH and ECDSA implementations for 8-bit, 32-bit and 64-bit processors. A security vulnerability exists in micro-ecc library 1.0 that stems from the vulnerability of ECDSA operations to a simple power analysis attack that allows an attacker to...

EulerOS 2.0 SP3 : openssl (EulerOS-SA-2021-1825)

According to the versions of the openssl packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - Calls to EVPCipherUpdate, EVPEncryptUpdate and EVPDecryptUpdate may overflow the output length argument in some cases where the input length is...

Amazon Linux 2 : nettle (ALAS-2021-1629)

The version of nettle installed on the remote host is prior to 2.7.1-9. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2021-1629 advisory. A flaw was found in Nettle, where several Nettle signature verification functions GOST DSA, EDDSA & ECDSA result in the Elliptic Cur...

Important: nettle

Issue Overview: A flaw was found in Nettle, where several Nettle signature verification functions GOST DSA, EDDSA & ECDSA result in the Elliptic Curve Cryptography point ECC multiply function being called with out-of-range scalers, possibly resulting in incorrect results. This flaw allows an...

openSUSE: Security Advisory for mbedtls (openSUSE-SU-2021:0384-1)

The remote host is missing an update for the 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 software; you can...

Oracle Linux 8 : gnutls / and / nettle (ELSA-2021-1206)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2021-1206 advisory. gnutls 3.6.14-8 - Port fixes for potential miscalculation in ecdsaverify 1942929 nettle 3.4.1-4 - Fix patch application 3.4.1-3 - Port fixes for potential...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Nettle vulnerability (USN-4906-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4906-1 advisory. It was discovered that Nettle incorrectly handled signature verification. A remote attacker could use this issue to cause Nettle to crash,...

Design/Logic Flaw

A flaw was found in Nettle in versions before 3.7.2, where several Nettle signature verification functions GOST DSA, EDDSA & ECDSA result in the Elliptic Curve Cryptography point ECC multiply function being called with out-of-range scalers, possibly resulting in incorrect results. This flaw allow...

CVE-2021-20305

A flaw was found in Nettle in versions before 3.7.2, where several Nettle signature verification functions GOST DSA, EDDSA & ECDSA result in the Elliptic Curve Cryptography point ECC multiply function being called with out-of-range scalers, possibly resulting in incorrect results. This flaw allow...

CVE-2021-20305

CVE-2021-20305 affects Nettle prior to 3.7.2 where signature verification (GOST DSA, EDDSA, ECDSA) calls ECC multiply with out-of-range scalars, potentially producing incorrect results and allowing an attacker to force an invalid signature (leading to assertion failure or validation issues). Docu...

CVE-2021-20305

A flaw was found in Nettle, where several Nettle signature verification functions GOST DSA, EDDSA & ECDSA result in the Elliptic Curve Cryptography point ECC multiply function being called with out-of-range scalers, possibly resulting in incorrect results. This flaw allows an attacker to force an...

The Malwarebytes 2021 State of Malware report: Lock and Code S02E04

This week on Lock and Code, we discuss the top security headlines generated right here on Labs. In addition, we tune in to a special presentation from Adam Kujawa about the 2021 State of Malware report, which analyzed the top cybercrime goals of 2020 amidst the global pandemic. If you just pay...

Europol Credits Sweeping Arrests to Cracked Sky ECC Comms

Europol launched “major interventions” against organized crime on March 9, which it said were made possible by monitoring the encrypted messages of around 70,000 users of the Sky ECC service since mid-February. Sky ECC, which focuses on selling mobile phones with specialized, private...

Police credit “unlocked” SKY ECC encryption for organized crime bust

At the moment, I’m really torn, and I need your help. Let me tell you what is going on. I read these statements and they can’t both be true, right? “The continuous monitoring of the illegal Sky ECC communication service tool by investigators in three countries has provided invaluable insights int...

OPENSUSE-SU-2021:0397-1 Security update for mbedtls

This update for mbedtls fixes the following issues: - mbedtls was updated to version 2.16.9 - CVE-2020-10932: Fixed 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...

Security update for mbedtls (moderate)

openSUSE Security Update: Security update for mbedtls Announcement ID: openSUSE-SU-2021:0397-1 Rating: moderate References: 1181468 Cross-References: CVE-2020-10932 CVSS scores: CVE-2020-10932 NVD : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Affected Products: openSUSE Backports SLE-15-SP2 ...

openSUSE Security Update : mbedtls (openSUSE-2021-384)

This update for mbedtls fixes the following issues : - mbedtls was updated to version 2.16.9 - CVE-2020-10932: Fixed 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...

Huawei EulerOS: Security Advisory for nss-softokn (EulerOS-SA-2021-1536)

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...