Ethereum Lottery Security Breach

Ethereum Lottery is an ethereum-based betting game. A security vulnerability in the 'PayWinner' function in Ethereum Lottery's simplelottery smart contract implementation stems from the fact that the 'PayWinner' function employs the publicly readable variable maxTickets to generate random values...

DEBIAN-CVE-2020-16166

The Linux kernel through 5.7.11 allows remote attackers to make observations that help to obtain sensitive information about the internal state of the network RNG, aka CID-f227e3ec3b5c. This is related to drivers/char/random.c and kernel/time/timer.c...

Cryptogs Security Breach

Cryptogs is an ethereum-based digital currency. A security vulnerability exists in the 'endCoinFlip' and 'throwSlammer' functions in Cryptogs' smart contract implementation. An attacker could use the vulnerability to infer random values and win the game...

GHSA-J3RH-8VWQ-WH84 JHipster Kotlin using insecure source of randomness `RandomStringUtils` before v1.2.0

JHipster Kotlin is using an insecure source of randomness to generate all of its random values. JHipster Kotlin relies upon apache commons lang3 RandomStringUtils. From the documentation: Caveat: Instances of Random, upon which the implementation of this class relies, are not cryptographically...

JHipster Kotlin using insecure source of randomness `RandomStringUtils` before v1.2.0

JHipster Kotlin is using an insecure source of randomness to generate all of its random values. JHipster Kotlin relies upon apache commons lang3 RandomStringUtils. From the documentation: Caveat: Instances of Random, upon which the implementation of this class relies, are not cryptographically...

Cypress Semiconductor PSoC Creator BLE Security Feature Issue Vulnerability

Cypress Semiconductor PSoC Creator BLE is a programmable embedded system-on-chip with integrated Bluetooth Low Energy BLE from Cypress Semiconductor. A security signature issue vulnerability exists in Cypress Semiconductor PSoC Creator 4.2 BLE prior to version 3.64, which stems from the BLE...

CVE-2020-11957

The Bluetooth Low Energy implementation in Cypress PSoC Creator BLE 4.2 component versions before 3.64 generates a random number Pairing Random with significantly less entropy than the specified 128 bits during BLE pairing. This is the case for both authenticated and unauthenticated pairing with...

PT-2020-19335 · Elastic · Cloud On Kubernetes

Name of the Vulnerable Software and Affected Versions: Elastic Cloud on Kubernetes ECK versions prior to 1.1.0 Description: The issue concerns a weak random number generator used to generate passwords in Elastic Cloud on Kubernetes ECK. This weakness can be exploited if an attacker determines whe...

Ethereum Lottery has a flawed logic vulnerability

Ethereum Lottery is an ethereum-based betting game.Ethereum Lottery's simplelottery smart contract implementation has a security vulnerability in the 'PayWinner' function that stems from the ' PayWinner' function uses the publicly readable variable maxTickets to generate random values. The...

Lucky9io has a logic flaw vulnerability

Lucky9io is an ethereum-based virtual gambling game.A security vulnerability exists in Lucky9io's implementation of a simple lotto smart contract, which stems from the use of a fallback function to generate random values using the publicly readable variable entrynumber. An attacker could exploit...

PT-2020-6904 · Unknown +1 · React Native Bluetooth Scan +1

Name of the Vulnerable Software and Affected Versions: Bluezone version 1.0.0 Description: The issue is related to the use of insufficiently random values in the React Native Bluetooth Scan component of the Bluezone application. This could allow a remote attacker to interfere with COVID-19 contac...

Updated gnutls packages fix security vulnerability

Updated gnutls packages fix security vulnerability: A flaw was reported in the DTLS protocol implementation in GnuTLS. The DTLS client would not contribute any randomness to the DTLS negotiation, breaking the security guarantees of the DTLS protocol CVE-2020-11501...

Insecure Randomness

php is vulnerable to insecure randomness. The vulnerability as it was discovered that the PHP lcgvalue function used insufficient entropy to seed the pseudo-random number generator. A remote attacker could possibly use this flaw to predict values returned by the function, which are used to genera...

Ubuntu 19.10 : gnutls28 vulnerability (USN-4322-1)

It was discovered that GnuTLS incorrectly handled randomness when performing DTLS negotiation. A remote attacker could possibly use this issue to obtain sensitive information, contrary to expectations. Note that Tenable Network Security has extracted the preceding description block directly from...

USN-4322-1: GnuTLS vulnerability

It was discovered that GnuTLS incorrectly handled randomness when performing DTLS negotiation. A remote attacker could possibly use this issue to obtain sensitive information, contrary to expectations...

CVE-2020-11501

GnuTLS 3.6.x before 3.6.13 uses incorrect cryptography for DTLS. The earliest affected version is 3.6.3 2018-07-16 because of an error in a 2017-10-06 commit. The DTLS client always uses 32 '\0' bytes instead of a random value, and thus contributes no randomness to a DTLS negotiation. This breaks...

DEBIAN-CVE-2020-11501

GnuTLS 3.6.x before 3.6.13 uses incorrect cryptography for DTLS. The earliest affected version is 3.6.3 2018-07-16 because of an error in a 2017-10-06 commit. The DTLS client always uses 32 '\0' bytes instead of a random value, and thus contributes no randomness to a DTLS negotiation. This breaks...

UBUNTU-CVE-2020-11501

GnuTLS 3.6.x before 3.6.13 uses incorrect cryptography for DTLS. The earliest affected version is 3.6.3 2018-07-16 because of an error in a 2017-10-06 commit. The DTLS client always uses 32 '\0' bytes instead of a random value, and thus contributes no randomness to a DTLS negotiation. This breaks...

GnuTLS: DTLS protocol regression

Background GnuTLS is an Open Source implementation of the TLS and SSL protocols. Description It was discovered that DTLS client did not contribute any randomness to the DTLS negotiation. Impact Please review the referenced advisory for details. Workaround There is no known workaround at this time...

FreeBSD : GnuTLS -- flaw in DTLS protocol implementation (d887b3d9-7366-11ea-b81a-001cc0382b2f)

The GnuTLS project reports : It was found that GnuTLS 3.6.3 introduced a regression in the DTLS protocol implementation. This caused the DTLS client to not contribute any randomness to the DTLS negotiation breaking the security guarantees of the DTLS protocol. C Tenable Network Security, Inc. The...