SUSE-SU-2021:2008-1 Security update for python-rsa

This update for python-rsa fixes the following issues: - CVE-2020-13757: Proper handling of leading '\0' bytes during decryption of ciphertext bsc1172389...

USN-4990-1: Nettle vulnerabilities

It was discovered that Nettle incorrectly handled RSA decryption. A remote attacker could possibly use this issue to cause Nettle to crash, resulting in a denial of service. CVE-2021-3580 It was discovered that Nettle incorrectly handled certain padding oracles. A remote attacker could possibly u...

USN-4990-1 nettle vulnerabilities

It was discovered that Nettle incorrectly handled RSA decryption. A remote attacker could possibly use this issue to cause Nettle to crash, resulting in a denial of service. CVE-2021-3580 It was discovered that Nettle incorrectly handled certain padding oracles. A remote attacker could possibly u...

DEBIAN-CVE-2021-34813

Matrix libolm before 3.2.3 allows a malicious Matrix homeserver to crash a client while it is attempting to retrieve an Olm encrypted room key backup from the homeserver because olmpkdecrypt has a stack-based buffer overflow. Remote code execution might be possible for some nonstandard build...

Avaddon Ransomware Gang Evaporates Amid Global Crackdowns

Ransomware group Avaddon has decided to shutter its criminal enterprise after landing in the crosshairs of law-enforcement agencies in the U.S. and Australia. Avaddon, a prolific ransomware-as-a-service RaaS provider, released its decryption keys to BleepingComputer — 2,934 in total — with each k...

CVE-2021-32685

tEnvoy contains the PGP, NaCl, and PBKDF2 in node.js and the browser hashing, random, encryption, decryption, signatures, conversions, used by TogaTech.org. In versions prior to 7.0.3, the verifyWithMessage method of tEnvoyNaClSigningKey always returns true for any signature that has a SHA-512 ha...

Design/Logic Flaw

tEnvoy contains the PGP, NaCl, and PBKDF2 in node.js and the browser hashing, random, encryption, decryption, signatures, conversions, used by TogaTech.org. In versions prior to 7.0.3, the verifyWithMessage method of tEnvoyNaClSigningKey always returns true for any signature that has a SHA-512 ha...

CVE-2021-32685

CVE-2021-32685 affects tEnvoy (used by TogaTech.org) where the verifyWithMessage function in tEnvoyNaClSigningKey incorrectly returns true for SHA-512 hashes that match the message hash, even if the signature is invalid. This flaw is present in versions prior to 7.0.3. The issue is patched in v7....

CVE-2021-20566: Use of a Broken or Risky Cryptographic Algorithm

IBM Resilient SOAR V38.0 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 199238...

Security Bulletin: Resilient supports TLS1.2 ciphers that are not enabled for Perfect Forward Secrecy (PFS) (CVE-2021-20566)

Summary Resilient supports TLS1.2 ciphers that are not enabled for Perfect Forward Secrecy PFS. Such ciphers could allow an attacker who has recorded encrypted traffic and later obtains the server's key to decrypt highly sensitive information. Vulnerability Details CVEID: CVE-2021-20566...

CVE-2021-20566

IBM Resilient SOAR V38.0 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 199238...

Another one bites the dust: Avaddon ransomware group shuts down operation

Are you seeing some pattern here? In what could be a called "shocking news" on Friday, BleepingComputer revealed that the gang behind the Avaddon ransomware shut down its operations after releasing more than 2,000 decryption keys to the technology news site. BleepingComputer claimed they received...

SUSE SLES11 Security Update : openssl (SUSE-SU-2019:14249-1)

The remote SUSE Linux SLES11 host has packages installed that are affected by a vulnerability as referenced in the SUSE- SU-2019:14249-1 advisory. - In situations where an attacker receives automated notification of the success or failure of a decryption attempt an attacker, after sending a very...

CVE-2021-3580

A flaw was found in the way nettle's RSA decryption functions handled specially crafted ciphertext. An attacker could use this flaw to provide a manipulated ciphertext leading to application crash and denial of service...

CVE-2021-33560

A side-channel attack flaw was found in the way libgcrypt implemented Elgamal encryption. This flaw allows an attacker to decrypt parts of ciphertext encrypted using Elgamal, for example, when using OpenPGP. The highest threat from this vulnerability is to confidentiality...

SUSE: Security Advisory (SUSE-SU-2020:3592-1)

The remote host is missing an update for the 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...

SUSE: Security Advisory (SUSE-SU-2018:4235-1)

The remote host is missing an update for the 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...

[ASA-202106-28] nettle: denial of service

Arch Linux Security Advisory ASA-202106-28 ========================================== Severity: Medium Date : 2021-06-09 CVE-ID : CVE-2021-3580 Package : nettle Type : denial of service Remote : Yes Link : https://security.archlinux.org/AVG-2052 Summary ======= The package nettle before version...

CVE-2021-3580

A flaw was found in nettle in the way its RSA decryption functions handle specially crafted ciphertext. This flaw allows an attacker to provide a manipulated ciphertext, leading to an application crash and a denial of service. Mitigation As per upstream: For applications that want to support olde...

Linux Nettle: Input validation vulnerability

Linux Nettle is an American open source application for Linux. Contains a design that lends itself easily to a low-level cryptographic library in many cases. An input validation error vulnerability exists in Linux Nettle, which stems from the way the RSA decryption function improperly handles...