CVE-2021-32623 Opencast vulnerable to billion laughs attack (XML bomb)

Opencast is a free and open source solution for automated video capture and distribution. Versions of Opencast prior to 9.6 are vulnerable to the billion laughs attack, which allows an attacker to easily execute a seemingly permanent denial of service attack, essentially taking down Opencast usin...

Opencast 安全漏洞

Opencast is a live video support software for large-scale automated video capture, management and distribution from the Opencast organization. A security vulnerability exists in Opencast versions prior to 9.6, which can be exploited by attackers to conduct denial-of-service attacks...

CVE-2021-32623: Improper Restriction of Recursive Entity References in DTDs

Opencast is a free and open source solution for automated video capture and distribution. Versions of Opencast prior to 9.6 are vulnerable to the billion laughs attack, which allows an attacker to easily execute a seemingly permanent denial of service attack, essentially taking down Opencast usin...

Opencast < 9.2 Access Control Vulnerability

Opencast is prone to an access control vulnerability. Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

CVE-2021-21318

Opencast is a free, open-source platform to support the management of educational audio and video content. In Opencast before version 9.2 there is a vulnerability in which publishing an episode with strict access rules will overwrite the currently set series access. This allows for an easy denial...

CVE-2021-21318

Opencast is a free, open-source platform to support the management of educational audio and video content. In Opencast before version 9.2 there is a vulnerability in which publishing an episode with strict access rules will overwrite the currently set series access. This allows for an easy denial...

Double free

Opencast is a free, open-source platform to support the management of educational audio and video content. In Opencast before version 9.2 there is a vulnerability in which publishing an episode with strict access rules will overwrite the currently set series access. This allows for an easy denial...

CVE-2021-21318

Opencast is a free, open-source platform to support the management of educational audio and video content. In Opencast before version 9.2 there is a vulnerability in which publishing an episode with strict access rules will overwrite the currently set series access. This allows for an easy denial...

CVE-2021-21318 Removing access may not effect published series

Opencast is a free, open-source platform to support the management of educational audio and video content. In Opencast before version 9.2 there is a vulnerability in which publishing an episode with strict access rules will overwrite the currently set series access. This allows for an easy denial...

CVE-2021-21318

CVE-2021-21318 affects Opencast up to version 9.1 (pre-9.2). Publishing an episode with strict access rules can overwrite the current series access, causing denial of access for all users and potentially exposing or hiding the series metadata. The vulnerability hinges on the publish/remove/re-pub...

Opencast Access Control Error Vulnerability

Opencast is a live video support software for large-scale automated video capture, management and distribution from the Opencast organization. An Access Control Error vulnerability exists in Opencast. The vulnerability stems from allowing the distribution of interludes with strict access rules wi...

CVE-2021-21318: Incorrect Authorization

Opencast is a free, open-source platform to support the management of educational audio and video content. In Opencast before version 9.2 there is a vulnerability in which publishing an episode with strict access rules will overwrite the currently set series access. This allows for an easy denial...

Man-in-the-Middle (MitM)

opencast-kernel is vulnerable to man-in-the-middle attack. The hostname verification is disabled by default, allowing for man-in-the-middle attackers to intercept and modify network traffic...

Opencast < 7.9, 8.0 < 8.9 Hostname Verification Vulnerability

Opencast is prone to a hostname verification vulnerability. Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; y...

Man-in-the-Middle (MitM)

opencast-kernel is vulnerable to man-in-the-middle MitM. The vulnerability exists through the lack of hostname verification on the certificate when HTTPS connections are made...

CVE-2020-26234

Opencast before versions 8.9 and 7.9 disables HTTPS hostname verification of its HTTP client used for a large portion of Opencast's HTTP requests. Hostname verification is an important part when using HTTPS to ensure that the presented certificate is valid for the host. Disabling it can allow for...

CVE-2020-26234

Opencast before versions 8.9 and 7.9 disables HTTPS hostname verification of its HTTP client used for a large portion of Opencast's HTTP requests. Hostname verification is an important part when using HTTPS to ensure that the presented certificate is valid for the host. Disabling it can allow for...

Code injection

Opencast before versions 8.9 and 7.9 disables HTTPS hostname verification of its HTTP client used for a large portion of Opencast's HTTP requests. Hostname verification is an important part when using HTTPS to ensure that the presented certificate is valid for the host. Disabling it can allow for...

Disabled Hostname Verification in Opencast

Opencast before version 8.9 and 7.9 disables HTTPS hostname verification of its HTTP client used for a large portion of Opencast's HTTP requests. Hostname verification is an important part when using HTTPS to ensure that the presented certificate is valid for the host. Disabling it can allow for...

GHSA-44CW-P2HM-GPF6 Disabled Hostname Verification in Opencast

Opencast before version 8.9 and 7.9 disables HTTPS hostname verification of its HTTP client used for a large portion of Opencast's HTTP requests. Hostname verification is an important part when using HTTPS to ensure that the presented certificate is valid for the host. Disabling it can allow for...