Filtered by vendor Zulip
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Total
47 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2021-43799 | 1 Zulip | 1 Zulip | 2023-12-10 | 5.0 MEDIUM | 9.8 CRITICAL |
| Zulip is an open-source team collaboration tool. Zulip Server installs RabbitMQ for internal message passing. In versions of Zulip Server prior to 4.9, the initial installation (until first reboot, or restart of RabbitMQ) does not successfully limit the default ports which RabbitMQ opens; this includes port 25672, the RabbitMQ distribution port, which is used as a management port. RabbitMQ's default "cookie" which protects this port is generated using a weak PRNG, which limits the entropy of the password to at most 36 bits; in practicality, the seed for the randomizer is biased, resulting in approximately 20 bits of entropy. If other firewalls (at the OS or network level) do not protect port 25672, a remote attacker can brute-force the 20 bits of entropy in the "cookie" and leverage it for arbitrary execution of code as the rabbitmq user. They can also read all data which is sent through RabbitMQ, which includes all message traffic sent by users. Version 4.9 contains a patch for this vulnerability. As a workaround, ensure that firewalls prevent access to ports 5672 and 25672 from outside the Zulip server. | |||||
| CVE-2021-41115 | 1 Zulip | 1 Zulip | 2023-12-10 | 4.0 MEDIUM | 6.5 MEDIUM |
| Zulip is an open source team chat server. In affected versions Zulip allows organization administrators on a server to configure "linkifiers" that automatically create links from messages that users send, detected via arbitrary regular expressions. Malicious organization administrators could subject the server to a denial-of-service via regular expression complexity attacks; most simply, by configuring a quadratic-time regular expression in a linkifier, and sending messages that exploited it. A regular expression attempted to parse the user-provided regexes to verify that they were safe from ReDoS -- this was both insufficient, as well as _itself_ subject to ReDoS if the organization administrator entered a sufficiently complex invalid regex. Affected users should [upgrade to the just-released Zulip 4.7](https://zulip.readthedocs.io/en/latest/production/upgrade-or-modify.html#upgrading-to-a-release), or [`main`](https://zulip.readthedocs.io/en/latest/production/upgrade-or-modify.html#upgrading-from-a-git-repository). | |||||
| CVE-2021-3866 | 1 Zulip | 1 Zulip | 2023-12-10 | 3.5 LOW | 5.4 MEDIUM |
| Cross-site Scripting (XSS) - Stored in GitHub repository zulip/zulip more than and including 44f935695d452cc3fb16845a0c6af710438b153d and prior to 3eb2791c3e9695f7d37ffe84e0c2184fae665cb6. | |||||
| CVE-2021-43791 | 1 Zulip | 1 Zulip | 2023-12-10 | 5.0 MEDIUM | 5.3 MEDIUM |
| Zulip is an open source group chat application that combines real-time chat with threaded conversations. In affected versions expiration dates on the confirmation objects associated with email invitations were not enforced properly in the new account registration flow. A confirmation link takes a user to the check_prereg_key_and_redirect endpoint, before getting redirected to POST to /accounts/register/. The problem was that validation was happening in the check_prereg_key_and_redirect part and not in /accounts/register/ - meaning that one could submit an expired confirmation key and be able to register. The issue is fixed in Zulip 4.8. There are no known workarounds and users are advised to upgrade as soon as possible. | |||||
| CVE-2021-30477 | 1 Zulip | 1 Zulip Server | 2023-12-10 | 4.0 MEDIUM | 4.3 MEDIUM |
| An issue was discovered in Zulip Server before 3.4. A bug in the implementation of replies to messages sent by outgoing webhooks to private streams meant that an outgoing webhook bot could be used to send messages to private streams that the user was not intended to be able to send messages to. | |||||
| CVE-2021-30478 | 1 Zulip | 1 Zulip Server | 2023-12-10 | 4.0 MEDIUM | 4.3 MEDIUM |
| An issue was discovered in Zulip Server before 3.4. A bug in the implementation of the can_forge_sender permission (previously is_api_super_user) resulted in users with this permission being able to send messages appearing as if sent by a system bot, including to other organizations hosted by the same Zulip installation. | |||||
| CVE-2021-30479 | 1 Zulip | 1 Zulip Server | 2023-12-10 | 5.0 MEDIUM | 5.3 MEDIUM |
| An issue was discovered in Zulip Server before 3.4. A bug in the implementation of the all_public_streams API feature resulted in guest users being able to receive message traffic to public streams that should have been only accessible to members of the organization. | |||||
| CVE-2021-30487 | 1 Zulip | 1 Zulip Server | 2023-12-10 | 4.0 MEDIUM | 2.7 LOW |
| In the topic moving API in Zulip Server 3.x before 3.4, organization administrators were able to move messages to streams in other organizations hosted by the same Zulip installation. | |||||
| CVE-2020-10858 | 1 Zulip | 1 Zulip Desktop | 2023-12-10 | 5.0 MEDIUM | 5.3 MEDIUM |
| Zulip Desktop before 5.0.0 allows attackers to perform recording via the webcam and microphone due to a missing permission request handler. | |||||
| CVE-2020-10857 | 1 Zulip | 1 Zulip Desktop | 2023-12-10 | 7.5 HIGH | 9.8 CRITICAL |
| Zulip Desktop before 5.0.0 improperly uses shell.openExternal and shell.openItem with untrusted content, leading to remote code execution. | |||||
| CVE-2020-9444 | 1 Zulip | 1 Zulip Server | 2023-12-10 | 5.8 MEDIUM | 6.1 MEDIUM |
| Zulip Server before 2.1.3 allows reverse tabnabbing via the Markdown functionality. | |||||
| CVE-2020-9445 | 1 Zulip | 1 Zulip Server | 2023-12-10 | 4.3 MEDIUM | 6.1 MEDIUM |
| Zulip Server before 2.1.3 allows XSS via the modal_link feature in the Markdown functionality. | |||||
| CVE-2020-15070 | 1 Zulip | 1 Zulip Server | 2023-12-10 | 6.5 MEDIUM | 8.8 HIGH |
| Zulip Server 2.x before 2.1.7 allows eval injection if a privileged attacker were able to write directly to the postgres database, and chose to write a crafted custom profile field value. | |||||
| CVE-2020-12759 | 1 Zulip | 1 Zulip Server | 2023-12-10 | 4.3 MEDIUM | 6.1 MEDIUM |
| Zulip Server before 2.1.5 allows reflected XSS via the Dropbox webhook. | |||||
| CVE-2020-14215 | 1 Zulip | 1 Zulip Server | 2023-12-10 | 5.0 MEDIUM | 7.5 HIGH |
| Zulip Server before 2.1.5 has Incorrect Access Control because 0198_preregistrationuser_invited_as adds the administrator role to invitations. | |||||
| CVE-2020-14194 | 1 Zulip | 1 Zulip Server | 2023-12-10 | 5.8 MEDIUM | 5.4 MEDIUM |
| Zulip Server before 2.1.5 allows reverse tabnapping via a topic header link. | |||||
| CVE-2020-10935 | 1 Zulip | 1 Zulip Server | 2023-12-10 | 3.5 LOW | 5.4 MEDIUM |
| Zulip Server before 2.1.3 allows XSS via a Markdown link, with resultant account takeover. | |||||
| CVE-2019-19775 | 1 Zulip | 1 Zulip Server | 2023-12-10 | 5.8 MEDIUM | 6.1 MEDIUM |
| The image thumbnailing handler in Zulip Server versions 1.9.0 to before 2.0.8 allowed an open redirect that was visible to logged-in users. | |||||
| CVE-2019-18933 | 1 Zulip | 1 Zulip Server | 2023-12-10 | 7.5 HIGH | 9.8 CRITICAL |
| In Zulip Server versions from 1.7.0 to before 2.0.7, a bug in the new user signup process meant that users who registered their account using social authentication (e.g., GitHub or Google SSO) in an organization that also allows password authentication could have their personal API key stolen by an unprivileged attacker, allowing nearly full access to the user's account. | |||||
| CVE-2019-16216 | 1 Zulip | 1 Zulip Server | 2023-12-10 | 3.5 LOW | 5.4 MEDIUM |
| Zulip server before 2.0.5 incompletely validated the MIME types of uploaded files. A user who is logged into the server could upload files of certain types to mount a stored cross-site scripting attack on other logged-in users. On a Zulip server using the default local uploads backend, the attack is only effective against browsers lacking support for Content-Security-Policy such as Internet Explorer 11. On a Zulip server using the S3 uploads backend, the attack is confined to the origin of the configured S3 uploads hostname and cannot reach the Zulip server itself. | |||||