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CVE PROGRAM SOURCE RECORD9.8 Critical

CVE-2021-3902

Improper Restriction of XML External Entity Reference in dompdf/dompdf

Description

An improper restriction of external entities (XXE) vulnerability in dompdf/dompdf's SVG parser allows for Server-Side Request Forgery (SSRF) and deserialization attacks. This issue affects all versions prior to 2.0.0. The vulnerability can be exploited even if the isRemoteEnabled option is set to false. It allows attackers to perform SSRF, disclose internal image files, and cause PHAR deserialization attacks.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

dompdf dompdf/dompdf

  • unspecified to < 2.0.0affected

References