BYO-Bug Tactic Attacks Windows Kernel with Outdated Driver

The operators behind the RobbinHood ransomware are using a vulnerable, legacy driver from Taiwan-based motherboard manufacturer Gigabyte in order to get around antivirus protections. The “bring-your-own-bug” tactic is likely to crop up in other attacks going forward, according to security analyst...

CVE-2017-18641

In LXC 2.0, many template scripts download code over cleartext HTTP, and omit a digital-signature check, before running it to bootstrap containers...

CVE-2017-18641

In LXC 2.0, many template scripts download code over cleartext HTTP, and omit a digital-signature check, before running it to bootstrap containers...

CVE-2017-18641

In LXC 2.0, many template scripts download code over cleartext HTTP, and omit a digital-signature check, before running it to bootstrap containers...

Code injection

In LXC 2.0, many template scripts download code over cleartext HTTP, and omit a digital-signature check, before running it to bootstrap containers...

CVE-2017-18641

CVE-2017-18641 affects LXC 2.0: template scripts fetch code over cleartext HTTP and skip a digital-signature check before bootstrapping containers. Root cause is lack of integrity/authenticity verification during bootstrapping. The connected Red Hat and Ubuntu entries corroborate the same descrip...

CVE-2017-18641

In LXC 2.0, many template scripts download code over cleartext HTTP, and omit a digital-signature check, before running it to bootstrap containers...

CVE-2017-18641

In LXC 2.0, many template scripts download code over cleartext HTTP, and omit a digital-signature check, before running it to bootstrap containers...

USN-4233-1: GnuTLS update | Cloud Foundry

Severity Unknown Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Canonical Ubuntu 18.04 Description As a security improvement, this update marks SHA1 as being untrusted for digital signature operations. Affected Cloud Foundry Products and Versions Severity is unknown unless...

[SECURITY] Fedora 31 Update: xmlsec1-1.2.29-1.fc31

XML Security Library is a C library based on LibXML2 and OpenSSL. The library was created with a goal to support major XML security standards "XML Digital Signature" and "XML Encryption"...

USN-4236-3 libgcrypt11 vulnerability

USN-4236-1 fixed a vulnerability in Libgcrypt. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that Libgcrypt was susceptible to a ECDSA timing attack. An attacker could possibly use this attack to recover...

GHSA-P9CM-R7JG-8Q3G Incorrect signature verification in SimpleSAMLphp

Background An incorrect check of return values in the signature validation utilities allows an attacker to get invalid signatures accepted as valid by forcing an error during validation. Description The SimpleSAMLXMLValidator class allows the verification of the XML digital signature of a SAML 1...

Ubuntu 16.04 LTS / 18.04 LTS : GnuTLS update (USN-4233-2)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4233-2 advisory. USN-4233-1 disabled SHA1 being used for digital signature operations in GnuTLS. In certain network environments, certificates using SHA1 may still be ...

Ubuntu: Security Advisory (USN-4233-2)

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

USN-4233-2: GnuTLS update

USN-4233-1 disabled SHA1 being used for digital signature operations in GnuTLS. In certain network environments, certificates using SHA1 may still be in use. This update adds the %VERIFYALLOWBROKEN and %VERIFYALLOWSIGNWITHSHA1 priority strings that can be used to temporarily re-enable SHA1 until...

Patch Tuesday, January 2020 Edition

Microsoft today released updates to plug 50 security holes in various flavors of Windows and related software. The patch batch includes a fix for a flaw in Windows 10 and server equivalents of this operating system that prompted an unprecedented public warning from the U.S. National Security...

USN-4236-2 libgcrypt20 vulnerability

USN-4236-1 fixed a vulnerability in Libgcrypt. This update provides the corresponding fix for Ubuntu 16.04 LTS. Original advisory details: It was discovered that Libgcrypt was susceptible to a ECDSA timing attack. An attacker could possibly use this attack to recover sensitive information...

Windows CryptoAPI Spoofing Vulnerability

A spoofing vulnerability exists in the way Windows CryptoAPI Crypt32.dll validates Elliptic Curve Cryptography ECC certificates. An attacker could exploit the vulnerability by using a spoofed code-signing certificate to sign a malicious executable, making it appear the file was from a trusted,...

Ubuntu: Security Advisory (USN-4233-1)

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

USN-4233-1: GnuTLS update

As a security improvement, this update marks SHA1 as being untrusted for digital signature operations...