CVE-2022-42323

CVE-2022-42323 concerns Xenstore in the Xen hypervisor. The issue arises after the XSA-322 fix: any Xenstore node owned by a removed domain is reassigned to Dom0, enabling two cooperating guests to create an unbounded number of Xenstore nodes. This can exhaust Xenstore quota and lead to denial of...

CVE-2022-42325

Xenstore: Guests can create arbitrary number of nodes via transactions This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. In case a node has been created in a transaction and it is later deleted in the same transaction, t...

PT-2022-7331 · Xen +1 · Xenstore +1

Name of the Vulnerable Software and Affected Versions: Xenstore affected versions not specified Description: The issue is related to uncontrolled resource allocation in the Xenstore storage of the Xen hypervisor. Exploitation can lead to a denial of service DoS of xenstored. Malicious guests can...

PT-2022-7319 · Xenstore +1 · Xenstore +1

Name of the Vulnerable Software and Affected Versions: Xenstore affected versions not specified Description: The issue allows guests to create an arbitrary number of nodes via transactions. If a node is created in a transaction and later deleted in the same transaction, the transaction will be...

PT-2022-7330 · Xenstore +1 · Xenstore +1

Name of the Vulnerable Software and Affected Versions: Xenstore affected versions not specified Description: The issue is related to the uncontrolled allocation of resources in Xenstore, which can lead to a Denial of Service DoS of xenstored. Malicious guests can cause xenstored to allocate large...

CVE-2022-42326

CVE-2022-42326 : Xenstore vulnerability in the Xen hypervisor allows a guest to create an arbitrary number of Xenstore nodes when a node is created in a transaction and later deleted in the same transaction; the transaction finalization error can cause partial execution and accounting mismatch. T...

Fodcha DDoS Botnet Resurfaces with New Capabilities

The threat actor behind the Fodcha distributed denial-of-service DDoS botnet has resurfaced with new capabilities, researchers reveal. This includes changes to its communication protocol and the ability to extort cryptocurrency payments in exchange for stopping the DDoS attack against a target,...

Keylime: unhandled exceptions could lead to invalid attestation states

Impact This vulnerability creates a false sense of security for keylime users -- i.e. a user could query keylime and conclude that a parcitular node/agent is correctly attested, while attestations are not in fact taking place. Short explanation: the keylime verifier creates periodic reports on th...

Code injection

Dell PowerScale OneFS, versions 8.2.0.x-9.4.0.x contain allocation of Resources Without Limits or Throttling vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability, leading to denial of service and performance issue on that node...

SolarWinds Platform 安全漏洞

SolarWinds Platform is a unified monitoring, observability, and service management platform from U.S.-based SolarWinds, Inc. A security vulnerability exists in SolarWinds Platform version 2022.3 and prior versions that stems from an insecure direct object reference IDOR. An attacker with node...

GO-2022-1052 Uncontrolled resource consumption during consensus in github.com/tendermint/tendermint

Mishandling of timestamps during consensus process can cause a denial of service. While reaching consensus, different tendermint nodes can observe a different timestamp for a consensus evidence. This mismatch can cause the evidence to be invalid, upon which the node producing the evidence will be...

AlmaLinux 8 : booth (ALSA-2022:6439)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2022:6439 advisory. - The authfile directive in the booth config file is ignored, preventing use of authentication in communications from node to node. As a result, nodes that do not...

Merkle verifier library verifies intermediate inputs

Lines of code Vulnerability details Vulnerability details Description MerkleVerifier provides a set of functions for verification of a Merkle proof by performing an inclusion check of input against a binary tree. This is implemented as consecutively hashing concatenated sibling nodes until a root...

PT-2022-34586 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.19.11 Description: The issue is related to an off-by-one error in the unflatten dt nodes function. This error was introduced in version v4.7 and is fixed in version v5.19.11. The actual impact and attack...

PT-2022-34654 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.10.145 Description: The issue is related to an off-by-one error in the unflatten dt nodes function. This error was introduced in version v4.7 and fixed in version v5.10.145. The actual impact and attack...

booth: authfile directive in booth config file is completely ignored.

A flaw was found in booth in the way it handles the authfile directive in configuration files, which causes authentication to be skipped between nodes. As a result, an attacker-controlled node that does not have the correct authentication key does not prevent communication with other nodes in the...

PT-2022-33860 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions v5.15 through v5.15.60 Description: A potential security issue exists due to an out of bounds access in the get nodes function. The actual impact and attack plausibility have not yet been proven. Recommendations: For Lin...

Security Bulletin: Red Hat OpenShift on IBM Cloud is affected by a CRI-O security vulnerability (CVE-2022-1708)

Summary Red Hat OpenShift on IBM Cloud is affected by a security vulnerability in CRI-O that causes memory or disk space exhaustion on the node for anyone with access to the Kubernetes API. Vulnerability Details CVEID: CVE-2022-1708 Description: A vulnerability was found in CRI-O that causes memo...

Denial Of Service (DOS)

Indynode is vulnerable to Denial of Service DOS. An attacker can max out the connections to the ledger, resulting in Denial of Service. This vulnerability exploits the trade-off between resilience and availability, where any attacker firewall mitigation will restrict legitimate users. It is...

Hyperledger: DOS validator nodes of blockchain to block external connections

Attack was documented in the in the github repo: https://github.com/hyperledger/indy-node/security/advisories/GHSA-x996-7qh9-7ff7 Attack: The attacker sends 500 read requests to each node and opens a new one when holding 500 parallel connections. Every user is able to send read requests since it'...