Remote Code Execution (RCE) Affecting dompdf/dompdf package, versions <1.2.1


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    Exploit Maturity
    Mature
    EPSS
    21.02% (97th percentile)

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  • Snyk ID SNYK-PHP-DOMPDFDOMPDF-2428942
  • published 17 Mar 2022
  • disclosed 17 Mar 2022
  • credit MAXIMILIAN KIRCHMEIER, FABIAN BRÄUNLEIN

How to fix?

Upgrade dompdf/dompdf to version 1.2.1 or higher.

Overview

Affected versions of this package are vulnerable to Remote Code Execution (RCE) by injecting CSS into the data. The file can be tricked into storing a malicious font with a .php file extension in its font cache, which can later be executed by accessing it from the web.

CVSS Scores

version 3.1
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Snyk

Recommended
8.1 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Changed
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
Expand this section

NVD

9.8 critical