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...

Security update for mbedtls (moderate)

openSUSE Security Update: Security update for mbedtls Announcement ID: openSUSE-SU-2021:0384-1 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 Leap 15.2 An update...

nss security and bug fix update

3.53.1-17 - Fix various corner cases with ike v1 app b support. 3.53.1-16 - Fix the following CVE - CVE-2020-12403 chacha-poly issues - CVE-2020-12400 constant time ECC. - CVE-2020-6829 constant time ECC. 3.53.1-15 - Revert some policy changes the generate ABI runtime issues. 3.53.1-14 - Add...

Exploit for Improper Certificate Validation in Microsoft

CurveBall CVE-2020-0601 - PoC This vulnerability, known as...

VPX on SDX 22000 - 12.1 build 55.18 - SSL card going down due to unsupported ECDSA ECC Curves

SSL card on primary and secondary devices are showing failed and then both devices have become secondary. In thenewnslog , the countersslerrcardstatusdown will get incremented. In the packet trace, you can see the Client certificate with ECDSA ECC Curve 224...

Rowhammer DDR4 Vulnerability - Lenovo Support US

No description provided...

openSUSE Security Update : wpa_supplicant (openSUSE-2020-2059) (KRACK)

This update for wpasupplicant fixes the following issues : Security issue fixed : - CVE-2019-16275: Fixed an AP mode PMF disconnection protection bypass bsc1150934. Non-security issues fixed : - Enable SAE support jscSLE-14992. - Limit P2PDEVICE name to appropriate ifname size. - Fix wicked wlan...

Huawei EulerOS: Security Advisory for nss (EulerOS-SA-2020-2100)

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...

MGASA-2020-0293 Updated mbedtls packages fix security vulnerability

Updated mbedtls packages fix security vulnerabilities Fix a side channel vulnerability in modular exponentiation that could reveal an RSA private key used in a secure enclave. Fix side channel in mbedtlsecpcheckpubpriv and mbedtlspkparsekey / mbedtlspkparsekeyfile when loading a private key that...

Updated mbedtls packages fix security vulnerability

Updated mbedtls packages fix security vulnerabilities Fix a side channel vulnerability in modular exponentiation that could reveal an RSA private key used in a secure enclave. Fix side channel in mbedtlsecpcheckpubpriv and mbedtlspkparsekey / mbedtlspkparsekeyfile when loading a private key that...

FreeBSD : Mbed TLS -- Side-channel attack on ECC key import and validation (c685edd9-c045-11ea-8898-001cc0382b2f)

Manuel Pegourie-Gonnard reports : The scalar multiplication function in Mbed TLS accepts a random number generator RNG as an optional argument and, if provided, uses it to protect against some attacks. It is the caller's responsibility to provide a RNG if protection against side-channel attacks i...