Ecosyste.ms: Advisories

Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTQ0Y3ctcDJobS1ncGY2

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 man-in-the-middle attacks.

Patches

This problem is fixed in Opencast 7.9 and Opencast 8.9

Self-Signed Certificates

Please be aware that fixing the problem means that Opencast will not simply accept any self-signed certificates any longer without properly importing them. If you need those, please make sure to import them into the Java key store. Better yet, get a valid certificate e.g. from Let's Encrypt.

Permalink: https://github.com/advisories/GHSA-44cw-p2hm-gpf6
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTQ0Y3ctcDJobS1ncGY2
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: over 3 years ago
Updated: over 1 year ago

CVSS Score: 4.8
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N

Identifiers: GHSA-44cw-p2hm-gpf6, CVE-2020-26234
References:

• https://github.com/opencast/opencast/security/advisories/GHSA-44cw-p2hm-gpf6
• https://github.com/opencast/opencast/commit/4225bf90af74557deaf8fb6b80b0705c9621acfc
• https://nvd.nist.gov/vuln/detail/CVE-2020-26234
• https://github.com/advisories/GHSA-44cw-p2hm-gpf6

Repository: https://github.com/opencast/opencast
Blast Radius: 7.4

Affected Packages