Upcoming Speaking Engagements

This is a current list of where and when I am scheduled to speak: I’m speaking at the Australian Cyber Conference 2021 on March 17 and 18, 2021. I’m keynoting the all-virtual RSA Conference 2021, May 17-20, 2021. I’ll be speaking at an Informa event on September 14, 2021. Details to come. The lis...

PT-2021-6813

Name of the Vulnerable Software and Affected Versions Mbed TLS version 2.24.0 Description A side-channel vulnerability in base64 PEM file decoding exists, allowing system-level attackers to obtain information about secret RSA keys via a controlled-channel and side-channel attack on software runni...

Security Bulletin: IBM Watson OpenScale on Cloud Pak for Data is impacted by CVE-2020-25659

Summary IBM Watson OpenScale on Cloud Pak for Data has addressed CVE-2020-25659. Vulnerability Details CVEID: CVE-2020-25659 DESCRIPTION: python-cryptography could allow a remote attacker to obtain sensitive information, caused by a Bleichenbacher timing attack. By sending a specially-crafted...

EulerOS Virtualization 3.0.6.6 : bind (EulerOS-SA-2021-1458)

According to the versions of the bind packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - In BIND 9.0.0 - 9.11.21, 9.12.0 - 9.16.5, 9.17.0 - 9.17.3, also affects 9.9.3-S1 - 9.11.21-S1 of the BIND 9 Supported Preview...

NewStart CGSL MAIN 6.02 : nss Multiple Vulnerabilities (NS-SA-2021-0053)

The remote NewStart CGSL host, running version MAIN 6.02, has nss packages installed that are affected by multiple vulnerabilities: - Improper refcounting of soft token session objects could cause a use-after-free and crash likely limited to a denial of service. This vulnerability affects Firefox...

Oracle Access Manager Webgate Information Disclosure (Oct 2020 CPU)

Binary data oracleaccessmanagerwebgatecve201811058.nbin...

Newest Intel Side-Channel Attack Sniffs Out Sensitive Data

Intel processors are vulnerable to a new side-channel attack, which researchers said can allow attackers to steal sensitive information such as encryption keys or passwords. Unlike previous side-channel attacks, this attack does not rely on sharing memory, cache sets and other former tactics...

OSV-2021-494 Heap-buffer-overflow in AK::ByteBuffer::overwrite

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31698 Crash type: Heap-buffer-overflow READ 1 Crash state: AK::ByteBuffer::overwrite Crypto::PK::RSA::parsersakey FuzzRSAKeyParsing.cpp...

No, RSA Is Not Broken

I have been seeing this paper by cryptographer Peter Schnorr making the rounds: "Fast Factoring Integers by SVP Algorithms." It describes a new factoring method, and its abstract ends with the provocative sentence: "This destroys the RSA cryptosystem." It does not. At best, its an improvement in...

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...

Huawei EulerOS: Security Advisory for bind (EulerOS-SA-2021-1458)

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...

PyBeacon - A Collection Of Scripts For Dealing With Cobalt Strike Beacons In Python

PyBeacon is a collection of scripts for dealing with Cobalt Strike's encrypted traffic. It can encrypt/decrypt beacon metadata, as well as parse symmetric encrypted taskings Scripts included There is a small library which includes encryption/decoding methods, however some example scripts are...

EulerOS Virtualization for ARM 64 3.0.6.0 : nss-softokn (EulerOS-SA-2021-1536)

According to the versions of the nss-softokn packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - A flaw was found in the way CHACHA20-POLY1305 was implemented in NSS. When using multi-part Chacha20, it could...

python-rsa: bleichenbacher timing oracle attack against RSA decryption

A flaw was found in python-rsa, where it is vulnerable to Bleichenbacher timing attacks. This flaw allows an attacker, via the RSA decryption API, to decrypt parts of the ciphertext encrypted with RSA. The highest threat from this vulnerability is to confidentiality...

RHEL 7 : OpenShift Container Platform 3.11.394 (RHSA-2021:0637)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:0637 advisory. Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or privat...

Ryuk Ransomware: Now with Worming Self-Propagation

A new version of the Ryuk ransomware is capable of worm-like self-propagation within a local network, researchers have found. The variant first emerged in Windows-focused campaigns earlier in 2021, according to the French National Agency for the Security of Information Systems ANSSI. The agency...

Security Bulletin: IBM Cloud Private is vulnerable to a Python vulnerability (CVE-2020-25659)

Summary IBM Cloud Private is vulnerable to a Python vulnerability Vulnerability Details CVEID: CVE-2020-25659 DESCRIPTION: python-cryptography could allow a remote attacker to obtain sensitive information, caused by a Bleichenbacher timing attack. By sending a specially-crafted request using the...

RHEL 7 / 8 : OpenShift Container Platform 4.7.0 (RHSA-2020:5634)

The remote Redhat Enterprise Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:5634 advisory. Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or...

EulerOS 2.0 SP2 : strongimcv (EulerOS-SA-2021-1364)

According to the versions of the strongimcv package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - The gmp plugin in strongSwan before 5.7.1 has a Buffer Overflow via a crafted certificate.CVE-2018-17540 - In verifyemsapkcs1signature in...

Amazon Linux 2 : openssl (ALAS-2021-1608)

The version of openssl installed on the remote host is prior to 1.0.2k-19. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2021-1608 advisory. OpenSSL 1.0.2 supports SSLv2. If a client attempts to negotiate SSLv2 with a server that is configured to support both...