This blog discusses the Huntress Team's analysis efforts of the two vulnerabilities and software weaknesses in ConnectWise ScreenConnect (CVE-2024-1708 and CVE-2024-1709) and the technical details behind this attack.
Huntress has validated the vulnerabilities referred to in the latest February 19 ConnectWise ScreenConnect advisory. For on-premise users, it is our strongest recommendation to patch and update to ScreenConnect version 23.9.8 immediately.
\[Mise à jour du 15 mars 2024\] Ajout de précision concernant les défi-réponses NTLM \[Mise à jour du 22 février 2024\] Ajout de recommandations et de précisions sur le fonctionnement de la vulnérabilité. La vulnérabilité CVE-2024-21413 permet à un attaquant de contourner les mesures de sécurité...
When the ASR service is enabled, it uses an Automation Account with a System-Assigned Managed Identity to manage Site Recovery extensions on VMs. However, the Runbook (a set of scripts for managing extensions) executed by the Automation Account had its job output visible to users, and this output mistakenly included a cleartext Management-scoped Access Token for the System-Assigned Managed Identity, which possesses the Contributor role over the entire Azure subscription. Therefore, lower-privil…
\[Mise à jour du 19 mars 2024\] Le CERT-FR a connaissance de codes d'exploitation publics et de nouvelles tentatives d'exploitation. Le 8 février 2024, Fortinet a publié l'avis de sécurité concernant la vulnérabilité critique CVE-2024-21762 affectant le VPN SSL de FortiOS. Cette vulnérabilité...
Three privilege escalation and denial-of-service vulnerabilities were discovered in Azure HDinsight, related to their usage of Apache Oozie and Ambari. The root cause of at least one of these vulnerabilities is a flaw in Apache Oozie itself, leading to regex denial-of-service (ReDoS). The other two vulnerabilities could allow an authenticated attacker with HDI cluster access to gain cluster administrator privileges and perform any resource service management operation. The vulnerabilities were …
Legit Security found a zero-click vulnerability in Azure Pipelines that allows an attacker to access secrets and internal information and perform actions in elevated permissions in the context of a pipeline workflow. This could allow attackers to move laterally in the organization and initiate supply chain attacks. When a pipeline is triggered by a "pipeline resource trigger," it shows in the platform as "Automatically Triggered For …" Instead of running in fork default permissions, preventing …
\[Mise à jour du 29 janvier 2024\] Le 25 janvier 2024, l'éditeur a publié un avis de sécurité concernant plusieurs vulnérabilités affectant GitLab CE et EE. La vulnérabilité CVE-2024-0402 est considérée critique avec un score CVSSv3 de 9,9. Elle permet à un attaquant authentifié d'écrire des...
A rate limit bypass vulnerability was discovered in Amazon Cognito, allowing attackers to potentially brute-force login credentials, password reset PINs, and MFA codes by sending requests in parallel. The vulnerability affected the main login flow, password reset function, and MFA process, potentially exposing user accounts to unauthorized access.
A critical vulnerability in GitHub's actions/runner-images repository allowed arbitrary code execution on self-hosted runners, potentially enabling modification of GitHub's runner base images. The flaw stemmed from misconfigured self-hosted runners on a public repository with default workflow approval settings. The researcher gained persistence, accessed secrets, and could have inserted malicious code into GitHub's runner images used by customers.
A vulnerability in Google OAuth allows employees to retain indefinite access to applications like Slack and Zoom after being removed from their company's Google organization. The issue stems from the ability to create Google accounts using corporate email aliases, which can't be off-boarded by the organization. This bypasses typical account removal processes and poses a significant security risk.
Le 4 décembre 2023, Apache a publié un avis de sécurité concernant la vulnérabilité critique CVE-2023-50164 concernant le cadriciel Struts 2. Cette vulnérabilité permet à un attaquant non authentifié de téléverser une porte dérobée sur un serveur vulnérable, et ainsi exécuter du code arbitraire à...
Dive into our analysis of the CVE-2023-43117 threat in CrushFTP and the growing popularity of MFT application exploitation as a tactic for adversaries.
A vulnerability in Azure Function Apps allowed extraction of Managed Identity credentials from the encrypted startup context of Linux containers. This gave attackers with container access the ability to persist as the Managed Identity, breaking the intended security model. Microsoft has since patched the issue by encrypting the sensitive payload.
Azure CLI commands were found to leak sensitive information, including credentials, through GitHub Actions logs. The vulnerability affects multiple Azure CLI commands and could expose secrets in public and private repositories. Microsoft has issued updates to Azure CLI, Azure Pipelines, and GitHub Actions to address the issue.
Huntress has analyzed the emerging SysAid CVE-2023-47246 vulnerability and recreated the attack chain with a proof-of-concept exploit.
CVE-2023-22518 is being exploited in Confluence for Cerber ransomware deployment. Read up on Huntress’ observations and mitigation guidance.
A vulnerability in Google Bard allowed for prompt injection and data exfiltration through its Extensions feature. By injecting malicious instructions into shared Google Docs, an attacker could force Bard to render images with exfiltrated chat history data in the URL. The exploit bypassed Content Security Policy using Google Apps Script.
Amazon Managed Workflows for Apache Airflow (MWAA) and the Task instance details page in the Google Composer UI were not patched against CVE-2023-29247 (Stored XSS). This meant that post-authentication, a threat actor could have exploited this to store their JavaScript payload in the victim's managed Apache Airflow instance and run JavaScript on behalf of the victim (who could be an admin or another user with higher permissions than the threat actor, thereby leading to privilege escalation). Wi…
CVE-2023-46604 is a critical remote code execution vulnerability in Apache ActiveMQ. Patch now to avoid any potential adversary exploitation.
Huntress is tracking a new critical vulnerability seen in the wild that affects anything using the libwebp WebP image library. Here’s what we know so far.
Secureworks researchers discovered an Azure AD application with an abandoned reply URL related to Microsoft Power Platform. An attacker could leverage this URL to redirect authorization codes, exchange them for access tokens, and call Power Platform API via a middle-tier service to obtain elevated privileges. Microsoft quickly addressed the issue by removing the identified abandoned reply URL from the Azure AD application.
Spoof extensions help cybercriminals target users on trading forums as 130 devices still infected at time of writing
Huntress is tracking a new PaperCut vulnerability, CVE-2023-39143, which allows full remote code execution on unpatched servers.
A vulnerability in Power Platform could lead to unauthorized access to Custom Code functions used for custom connectors, thereby allowing cross-tenant information disclosure of secrets or other sensitive information if these were embedded in a Custom Code function. The issue occurred as a result of insufficient access control to Azure Function hosts, which are launched as part of the creation and operation of custom connectors in Microsoft’s Power Platform. An attacker who determined the hostna…
An information disclosure vulnerability in the Google Cloud Build service could have allowed an attacker to view sensitive logs if they had gained prior access to a GCP environment and had permission to create a new Cloud Build instance (cloudbuild.builds.create) or permission to directly impersonate the Cloud Build default service account (which is highly privileged by design and therefore considered to be a known privilege escalation vector in GCP). An attacker could then potentially use this…
A client-side desync vulnerability was discovered in Front Door, one of Azure's CDN solutions, caused by mishandling of the 'Content-Length' header in HTTP requests. Exploiting this vulnerability would most likely require user interaction through social engineering (such as clicking on a malicious link), but could allow an attacker to steal session cookies or forge responses to victim requests.
A critical authentication bypass vulnerability was discovered in Google Cloud API Gateway, affecting its JWT authentication method. The flaw, stemming from a business logic bug in the ESPv2 service proxy, allowed attackers to bypass authentication controls by manipulating HTTP methods. This vulnerability impacted various authentication methods including Firebase, Auth0, Okta, and Google ID tokens.
A bucket traversal vulnerability was discovered in the google.cloud.storage.transfer_manager.upload_chunks_concurrently() function of Google Cloud Storage. This issue could potentially allow unauthorized access to files in different buckets or directories within the same project.
Binary Security found two vulnerabilities in the legacy Azure Resource Manager (ARM) REST API. The first vulnerability allowed an attacker with Reader access to an Azure Function, acting from a Windows host, to get an admin token that could be exchanged for a master key granting access to all operations in Kudu (the Functions deployment service). This would allow them to tamper with the function by deploying malicious code to it. The other vulnerability allowed an attacker with Reader access to…
