EUVD-2021-29723

Malicious code in bioql PyPI...

EUVD-2021-29724

Malicious code in bioql PyPI...

Five Minutes of DDoS Brings Down Tor: DDoS Attacks on the Tor Directory Protocol and Mitigations

The Tor network offers network anonymity to its users by routing their traffic through a sequence of relays. A group of nine directory authorities maintains information about all available relay nodes using a distributed directory protocol. We observe that the current protocol makes a steep...

CVE-2021-42766

The Proof-of-Stake PoS Ethereum consensus protocol through 2021-10-19 allows an adversary to cause a denial of service long-range consensus chain reorganizations, even when this adversary has little stake and cannot influence network message propagation. This can cause a protocol stall, or an...

CVE-2021-42764

The Proof-of-Stake PoS Ethereum consensus protocol through 2021-10-19 allows an adversary to cause a denial of service delayed consensus decisions, and also increase the profits of individual validators, via short-range reorganizations of the underlying consensus chain...

CVE-2021-42766

The Proof-of-Stake PoS Ethereum consensus protocol through 2021-10-19 allows an adversary to cause a denial of service long-range consensus chain reorganizations, even when this adversary has little stake and cannot influence network message propagation. This can cause a protocol stall, or an...

Design/Logic Flaw

The Proof-of-Stake PoS Ethereum consensus protocol through 2021-10-19 allows an adversary to cause a denial of service delayed consensus decisions, and also increase the profits of individual validators, via short-range reorganizations of the underlying consensus chain...

CVE-2021-42764

Technical details (affected components, root cause, impacted versions, fixes) are not publicly available in the provided documents; monitor for updates.

CVE-2021-42765

The Proof-of-Stake PoS Ethereum consensus protocol through 2021-10-19 allows an adversary to leverage network delay to cause a denial of service indefinite stalling of consensus decisions...

CVE-2021-42765

Technical details about CVE-2021-42765 are not publicly available in the provided documents; monitor for updates.

CVE-2021-42766

Technical details (affected products, root cause, specific versions, fixes) are not publicly provided in the supplied documents. Monitor for updates.

PT-2021-23679

Name of the Vulnerable Software and Affected Versions Ethereum consensus protocol through 2021-10-19 Description The Proof-of-Stake PoS Ethereum consensus protocol allows an adversary to cause a denial of service, specifically long-range consensus chain reorganizations. This can occur even when t...

PT-2021-23677

Name of the Vulnerable Software and Affected Versions Ethereum consensus protocol through 2021-10-19 Description The issue allows an adversary to cause a denial of service, resulting in delayed consensus decisions, and also increase the profits of individual validators. This is achieved via...

PT-2021-23678

Name of the Vulnerable Software and Affected Versions Ethereum consensus protocol versions prior to 2021-10-19 Description The Proof-of-Stake PoS Ethereum consensus protocol allows an adversary to leverage network delay to cause a denial of service, resulting in the indefinite stalling of consens...

Questions Arise About Bitcoin Security Paper

In the wake of the publication of a new academic paper that says there is a fundamental flaw in the Bitcoin protocol that could allow a small cartel of participants to become powerful enough that it could take over the mining process and gather a disproportionate amount of the value in the system...