nss: Side channel attack on ECDSA signature generation

A flaw was found in nss. Using the EM side-channel, it is possible to extract the position of zero and non-zero wNAF digits while nss-certutil tool performs scalar multiplication during the ECDSA signature generation, leaking partial information about the ECDSA nonce. Given a small number of ECDS...

jsrsasign

This is an open-source JavaScript library called jsrsasign, which provides cryptographic functions for RSA/RSAPSS/ECDSA/DSA signing and validation, ASN.1, PKCS1/5/8 private/public key, X.509 certificate, CRL, OCSP, CMS SignedData, TimeStamp, and CAdES. The library is available on Node.js and...

Detecting and Preventing Critical ZeroLogon Windows Server Vulnerability

If you're administrating Windows Server, make sure it's up to date with all recent patches issued by Microsoft, especially the one that fixes a recently patched critical vulnerability that could allow unauthenticated attackers to compromise the domain controller. Dubbed 'Zerologon' CVE-2020-1472...

How to eSign Documents Online for Free

By Uzair Amir How do you sign a document online for free? We show you how to put an electronic signature on any digital document of your choice with the help of CocoSign, a free-to-use online document signing service. We also offer relevant information about online signing. With the advent of Clo...

SUSE-SU-2020:14490-1 Security update for shim

This update for shim fixes the following issues: Update to the unified shim binary from SUSE Linux Enterprise 15-SP1 bsc1168994 This update addresses the 'BootHole' security issue master CVE CVE-2020-10713, by disallowing binaries signed by the previous SUSE UEFI signing key from booting. This...

SUSE-SU-2020:2629-1 Security update for shim

This update for shim fixes the following issues: This update addresses the 'BootHole' security issue master CVE CVE-2020-10713, by disallowing binaries signed by the previous SUSE UEFI signing key from booting. This update should only be installed after updates of grub2, the Linux kernel and if...

SUSE-SU-2020:2626-1 Security update for shim

This update for shim fixes the following issues: - Update to the unified shim binary from SUSE Linux Enterprise 15-SP1 bsc1168994 This update addresses the 'BootHole' security issue master CVE CVE-2020-10713, by disallowing binaries signed by the previous SUSE UEFI signing key from booting. This...

ios-resources

PoC exploit for iOS device. The primary CVE ID is not explicitly mentioned, but the repository contains resources for iOS hacking, including ARMv8 instruction set documentation and assembly language crash course. The target product/service is the iOS operating system, and the vulnerability...

Security Only Update for .NET Framework 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 (KB4576490)

Security Only Update for .NET Framework 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 KB4576490 Notice Revised 2/2/2022 On February 2nd, 2022, guidance was added to this article regarding how to install security-only updates after some changes were made to the ESU program. See the Known...

Apple’s notarization process fails to protect

In macOS Mojave, Apple introduced the concept of notarization, a process that developers can go through to ensure that their software is malware-free and must go through for their software to run on macOS Catalina. This is meant to be another layer in Apples protection against malware...

Vulnerable-AD - Create A Vulnerable Active Directory That'S Allowing You To Test Most Of Active Directory Attacks In Local Lab

Create a vulnerable active directory that's allowing you to test most of active directory attacks in local lab. Main Features Randomize Attacks Full Coverage of the mentioned attacks you need run the script in DC with Active Directory installed Some of attacks require client workstation Supported...

GHSA-R587-7JH2-4QR3 Server secret was included in static assets and served to clients

Impact Server JWT signing secret was included in static assets and served to clients. This ALLOWS Flood's builtin authentication to be bypassed. Given Flood is granted access to rTorrent's SCGI interface which is unprotected and ALLOWS arbitrary code execution and usually wide-ranging privileges ...

NCR SelfServ ATMs APTRA XFS Encryption Issue Vulnerability

NCR SelfServ ATMs is a self-service ATM machine device. A cryptographic issue vulnerability exists in NCR SelfServ ATMs APTRA XFS, which can be exploited by a remote attacker to sign arbitrary files and CAB archives used to update the BNA software, bypass the application whitelist, and execute...

openSUSE Security Update : the Linux Kernel (openSUSE-2020-1236)

The openSUSE Leap 15.2 kernel was updated to receive various security and bugfixes. This update is signed with the new UEFI signing key for openSUSE. It contains rebuilds of all available KMP packages also rebuilt with the new UEFi signing key. boo1174543 The following security bugs were fixed : ...

DEBIAN-CVE-2020-8623

In BIND 9.10.0 - 9.11.21, 9.12.0 - 9.16.5, 9.17.0 - 9.17.3, also affects 9.10.5-S1 - 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker that can reach a vulnerable system with a specially crafted query packet can trigger a crash. To be vulnerable, the system must: be running BIND tha...

ALPINE-CVE-2020-8623

In BIND 9.10.0 - 9.11.21, 9.12.0 - 9.16.5, 9.17.0 - 9.17.3, also affects 9.10.5-S1 - 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker that can reach a vulnerable system with a specially crafted query packet can trigger a crash. To be vulnerable, the system must: be running BIND tha...

GHSA-PWQF-9H7J-7MV8 Incorrect threshold signature computation in TUF

Impact Metadadata signature verification, as used in tuf.client.updater, counted each of multiple signatures with identical authorized keyids separately towards the threshold. Therefore, an attacker with access to a valid signing key could create multiple valid signatures in order to meet the...

Race Condition

Overview Affected versions of this package are vulnerable to Race Condition. An issue was discovered in wolfSSL before 4.5.0, when single precision is not employed. Local attackers can conduct a cache-timing attack against public key operations. These attackers may already have obtained sensitive...

Security update for the Linux Kernel (important)

openSUSE Security Update: Security update for the Linux Kernel Announcement ID: openSUSE-SU-2020:1236-1 Rating: important References: 1065600 1065729 1120163 1133021 1149032 1152472 1152489 1153274 1154353 1154488 1155518 1155798 1165933 1167773 1168959 1169771 1171857 1171988 1172197 1172201...

OPENSUSE-SU-2020:1236-1 Security update for the Linux Kernel

The openSUSE Leap 15.2 kernel was updated to receive various security and bugfixes. This update is signed with the new UEFI signing key for openSUSE. It contains rebuilds of all available KMP packages also rebuilt with the new UEFi signing key. boo1174543 The following security bugs were fixed: -...