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vulnrichmentGitHub_MVULNRICHMENT:CVE-2024-39899
HistoryJul 09, 2024 - 6:57 p.m.

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

2024-07-0918:57:50
CWE-305
CWE-791
GitHub_M
github.com
1
cve-2024-39899
privatebin
url shortening
yourls
proxy
data privacy
security vulnerability

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

AI Score

7

Confidence

Low

SSVC

Exploitation

none

Automatable

yes

Technical Impact

partial

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.

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:a:privatebin:privatebin:1.5.0:*:*:*:*:*:*:*"
    ],
    "vendor": "privatebin",
    "product": "privatebin",
    "versions": [
      {
        "status": "affected",
        "version": "1.5.0",
        "lessThan": "1.7.4",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  }
]

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

AI Score

7

Confidence

Low

SSVC

Exploitation

none

Automatable

yes

Technical Impact

partial

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