PrivateBin allows shortening of URLs for other domains
CVE-2024-39899

5.3MEDIUM

Key Information:

Vendor

Privatebin

Status
Privatebin
Vendor
CVE Published:
9 July 2024

What is CVE-2024-39899?

PrivateBin is an online pastebin where the server has zero knowledge of pasted data. In v1.5, PrivateBin introduced the YOURLS server-side proxy. The idea was to allow using the YOURLs URL shortener without running the YOURLs instance without authentication and/or exposing the authentication token to the public, allowing anyone to shorten any URL. With the proxy mechanism, anyone can shorten any URL pointing to the configured PrivateBin instance. The vulnerability allowed other URLs to be shortened, as long as they contain the PrivateBin instance, defeating the limit imposed by the proxy. This vulnerability is fixed in 1.7.4.

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Affected Version(s)

PrivateBin >= 1.5.0, < 1.7.4

References

https://github.com/PrivateBin/PrivateBin/security/advisor...
x_refsource_CONFIRM
https://github.com/PrivateBin/PrivateBin/pull/1370
x_refsource_MISC
https://github.com/PrivateBin/PrivateBin/commit/0c4e810e6...
x_refsource_MISC

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

JSON
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