Opencast uses unsafe identifiers
CVE-2020-5230

7.7HIGH

Key Information:

Vendor

Opencast

Status
Opencast
Vendor
CVE Published:
30 January 2020

What is CVE-2020-5230?

Opencast before 8.1 and 7.6 allows almost arbitrary identifiers for media packages and elements to be used. This can be problematic for operation and security since such identifiers are sometimes used for file system operations which may lead to an attacker being able to escape working directories and write files to other locations. In addition, Opencast's Id.toString(…) vs Id.compact(…) behavior, the latter trying to mitigate some of the file system problems, can cause errors due to identifier mismatch since an identifier may unintentionally change. This issue is fixed in Opencast 7.6 and 8.1.

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Affected Version(s)

opencast < 7.6 < 7.6

opencast >= 8.0, < 8.1 < 8.0, 8.1

References

https://github.com/opencast/opencast/security/advisories/...
x_refsource_CONFIRM
https://github.com/opencast/opencast/commit/bbb473f34ab95...
x_refsource_MISC

CVSS V3.1

Score:
7.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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