Authentication flaw

A vulnerability in the in-band key negotiation exists in the AWS S3 Crypto SDK for GoLang versions prior to V2. An attacker with write access to the targeted bucket can change the encryption algorithm of an object in the bucket, which can then allow them to change AES-GCM to AES-CTR. Using this i...

OSV-2020-1290 Bad-free in aes_gcm_cleanup

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14333 Crash type: Bad-free Crash state: aesgcmcleanup EVPCIPHERCTXfree cryptofuzz::module::CTXCopier::copy...

Guardedbox - Online Client-Side Manager For Secure Storage And Secrets Sharing

GuardedBox is an open-source online client-side manager for secure storage and secrets sharing. It allows users to upload secrets to a centralized server and retrieve them at anytime and from anywhere. It also allows users to share their secrets with other users, individually or via groups. Secre...

Securing Internet Videoconferencing Apps: Zoom and Others

The NSA just published a survey of video conferencing apps. So did Mozilla. Zoom is on the good list, with some caveats. The company has done a lot of work addressing previous security concerns. It still has a bit to go on end-to-end encryption. Matthew Green looked at this. Zoom does offer...

CVE-2020-11872

The Cloud Functions subsystem in OpenTrace 1.0 might allow fabrication attacks by making billions of TempID requests before an AES-256-GCM key rotation occurs...

Session fixation

The Cloud Functions subsystem in OpenTrace 1.0 might allow fabrication attacks by making billions of TempID requests before an AES-256-GCM key rotation occurs...

CVE-2020-11872

The Cloud Functions subsystem in OpenTrace 1.0 might allow fabrication attacks by making billions of TempID requests before an AES-256-GCM key rotation occurs...

CVE-2020-11872

The CVE-2020-11872 entry concerns the Cloud Functions subsystem in OpenTrace 1.0. The vulnerability arises from fabrications possible by issuing billions of TempID requests before an AES-256-GCM key rotation, as described in the provided documents. The connected records consistently reference the...

Huawei EulerOS: Security Advisory for ruby (EulerOS-SA-2020-1432)

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 2.0 SP3 : ruby (EulerOS-SA-2020-1432)

According to the version of the ruby packages installed, the EulerOS installation on the remote host is affected by the following vulnerability : - The openssl gem for Ruby uses the same initialization vector IV in GCM Mode aes--gcm when the IV is set before the key, which makes it easier for...

CVE-2018-21058

An issue was discovered on Samsung mobile devices with N7.0, O8.0 exynos7420 or Exynos 8890/8996 chipsets software. Cache attacks can occur against the Keymaster AES-GCM implementation because T-Tables are used; the Cryptography Extension CE is not used. The Samsung ID is SVE-2018-12761 September...

CVE-2018-21058

An issue was discovered on Samsung mobile devices with N7.0, O8.0 exynos7420 or Exynos 8890/8996 chipsets software. Cache attacks can occur against the Keymaster AES-GCM implementation because T-Tables are used; the Cryptography Extension CE is not used. The Samsung ID is SVE-2018-12761 September...

Design/Logic Flaw

An issue was discovered on Samsung mobile devices with N7.0, O8.0 exynos7420 or Exynos 8890/8996 chipsets software. Cache attacks can occur against the Keymaster AES-GCM implementation because T-Tables are used; the Cryptography Extension CE is not used. The Samsung ID is SVE-2018-12761 September...

CVE-2018-21058

CVE-2018-21058 affects Samsung mobile devices running Android 7.0/8.0 on Exynos 7420/8890/8996. The issue enables cache attacks against the Keymaster AES-GCM implementation because T-Tables are used and the Cryptography Extension (CE) is not utilized. Samsung ID: SVE-2018-12761. No exploitation o...

CVE-2018-21058

An issue was discovered on Samsung mobile devices with N7.0, O8.0 exynos7420 or Exynos 8890/8996 chipsets software. Cache attacks can occur against the Keymaster AES-GCM implementation because T-Tables are used; the Cryptography Extension CE is not used. The Samsung ID is SVE-2018-12761 September...

SUSE SLES12 Security Update : python-cffi, python-cryptography, python-xattr (SUSE-SU-2020:0790-1)

This update for python-cffi, python-cryptography and python-xattr fixes the following issues : Security issue fixed : CVE-2018-10903: Fixed GCM tag forgery via truncated tag in finalizewithtag API bsc1101820. Non-security issues fixed : python-cffi was updated to 1.11.2 bsc1138748, jscECO-1256,...

SUSE-SU-2020:0792-1 Security update for python-cffi, python-cryptography

This update for python-cffi, python-cryptography fixes the following issues: Security issue fixed: - CVE-2018-10903: Fixed GCM tag forgery via truncated tag in finalizewithtag API bsc1101820. Non-security issues fixed: python-cffi was updated to 1.11.2 bsc1138748, jscECO-1256, jscPM-1598: - fixed...

EulerOS Virtualization for ARM 64 3.0.2.0 : ruby (EulerOS-SA-2020-1195)

According to the versions of the ruby packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through...

Huawei EulerOS: Security Advisory for ruby (EulerOS-SA-2019-1868)

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...

The Curious Case of WebCrypto Diffie-Hellman on Firefox - Small Subgroups Key Recovery Attack on DH

tl;dr Mozilla Firefox prior to version 72 suffers from Small Subgroups Key Recovery Attack on DH in the WebCrypto 's API. The Firefox's team fixed the issue removing completely support for DH over finite fields that is not in the WebCrypto standard. If you find this interesting read further below...