Server-side Request Forgery (SSRF) Affecting calibreweb package, versions [,0.6.16)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    Exploit Maturity
    Proof of concept
    EPSS
    0.26% (67th percentile)

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  • Snyk ID SNYK-PYTHON-CALIBREWEB-2388982
  • published 1 Feb 2022
  • disclosed 1 Feb 2022
  • credit Scaramouche

How to fix?

Upgrade calibreweb to version 0.6.16 or higher.

Overview

calibreweb is a Web app for browsing, reading and downloading eBooks stored in a Calibre database.

Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) due to missing sanitization of Fetch Cover from URL field, which makes it possible to point to a malicious server instead of an external URL.

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
4.2 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    Low
  • Availability (A)
    None
Expand this section

NVD

9.8 critical