CVE-2021-32654 Attacker can obtain write access to any federated share/public link

Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.11, 20.0.10, and 21.0.2, an attacker is able to receive write/read privileges on any Federated File Share. Since public links can be added as federated file share, this can also be exploited on any public...

CVE-2021-32653 Default settings leak federated cloud ID to lookup server of all users

Nextcloud Server is a Nextcloud package that handles data storage. Nextcloud Server versions prior to 19.0.11, 20.0.10, or 21.0.2 send user IDs to the lookup server even if the user has no fields set to published. The vulnerability is patched in versions 19.0.11, 20.0.10, and 21.0.2; no workaroun...

Trusted servers exchange can be triggered by attacker

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Attacker can obtain write access to any federated share/public link

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Files Drop public link can be added as federated share

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Security Bulletin: Security Vulnerabilities Have Been Identified In IBM WebSphere Application Server shipped with IBM Tivoli Federated Identity Manager (CVE-2021-20517, CVE-2021-20492)

Summary IBM WebSphere Application Server is shipped with IBM Tivoli Federated Identity Manager. Information about security vulnerabilities affecting IBM WebSphere Application Server have been published in a security bulletin. Vulnerability Details Refer to the security bulletins listed in the...

Nextcloud 访问控制错误漏洞

Nextcloud is a set of open source self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. A security vulnerability exists in Nextcloud Server that can be exploited by an attacker to access basic information about a server user by accessing a public...

Nextcloud 安全漏洞

Nextcloud is a set of open source self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. A security vulnerability exists in Nextcloud Server that stems from a public link that can be added as a federated file share. An attacker could use this...

PT-2021-19834 · Nextcloud +1 · Nextcloud Server +1

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 19.0.11 Nextcloud Server versions prior to 20.0.10 Nextcloud Server versions prior to 21.0.2 Description: A vulnerability in federated share exists in Nextcloud Server, allowing an attacker to gain access to...

PT-2021-19832 · Nextcloud +1 · Nextcloud Server +1

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 19.0.11 Nextcloud Server versions prior to 20.0.10 Nextcloud Server versions prior to 21.0.2 Description: The issue allows an attacker to gain write/read privileges on any Federated File Share. This can also...

PT-2021-19833 · Nextcloud +1 · Nextcloud Server +1

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 19.0.11 Nextcloud Server versions prior to 20.0.10 Nextcloud Server versions prior to 21.0.2 Description: The issue arises when an attacker converts a Files Drop link to a federated share, causing problems o...

HPE Fixes Critical Zero-Day in SIM

Hewlett Packard Enterprise HPE has fixed a critical zero-day remote code execution RCE flaw in its HPE Systems Insight Manager SIM software for Windows that it originally disclosed in December. HPE SIM is a tool that enables remote support automation and management for a variety of HPE servers,...

Nextcloud: Federated editing allows iframing possibly malicious remotes

So this attack is less likely now that you killed the trusted server auto adding. But as far as I could tell you did not clear out old servers. Let me first describe the attack: 1. UserA on ServerA sends a federated share to userB on serverB 2. Assume serverA and serverB are trusted servers 3. No...

Security Bulletin: A Security Vulnerability Has Been Identified In IBM® SDK, Java™ Technology Edition shipped with IBM Tivoli Federated Identity Manager (CVE-2021-2161)

Summary IBM® SDK, Java™ Technology Edition is shipped with IBM Tivoli Federated Identity Manager. Information about a security vulnerability affecting IBM® SDK, Java™ Technology Edition has been published in a security bulletin. Vulnerability Details Refer to the security bulletins listed in the...

Nextcloud: Federated share accepting/declining is not logged in audit log

In relation to https://hackerone.com/reports/1177353 1. Enable the audit log 2. Share a file to a federated user 3. So far all looks good in the log 4. the recipient checks either accepts or declines the share 5. There is no line regarding this in the logs. Impact The audit log is used to get a...

Security Bulletin: Security Vulnerabilities Have Been Identified In IBM WebSphere Application Server shipped with IBM Tivoli Federated Identity Manager (CVE-2015-5262, CVE-2014-3577, CVE-2012-6153, CVE-2011-1498)

Summary IBM WebSphere Application Server is shipped with IBM Tivoli Federated Identity Manager. Information about security vulnerabilities affecting IBM WebSphere Application Server has been published in a security bulletin. Vulnerability Details Refer to the security bulletins listed in the...

CVE-2021-29471 Denial of service in Matrix Synapse

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.33.2 "Push rules" can specify conditions under which they will match, including eventmatch, which matches event...

Security Bulletin: Security vulnerabilities have been identified in IBM WebSphere Application Server shipped with IBM Tivoli Federated Identity Manager

Summary IBM WebSphere Application Server is shipped with IBM Tivoli Federated Identity Manager. Information about security vulnerabilities affecting IBM WebSphere Application Server have been published in a security bulletin. Vulnerability Details Refer to the security bulletins listed in the...

DRUPAL-CONTRIB-2021-006

The SAML Authentication module allows users to authenticate against a SAML identity provider to login to your Drupal site. The module doesn't sufficiently protect against unauthorized local access, by way of using the 'password reset' facility, for users who are supposed to only be able to log in...

Nextcloud: Default settings leak federated cloud id to lookup server of all users

So with the default settings Nextcloud still sends requests to the lookup server if users update their profile. Even if none of the fields are set to 'published'. I must admit this is somewhat of a surprise as there is no reason for this. As long as the visibility of none of the fields change and...