En bref
- CVE-2021-3902 est une vulnérabilité CRITIQUE (CVSS 9.8) touchant dompdf/dompdf, dompdf (dompdf project).
- Probabilité d'exploitation dans les 30 prochains jours (EPSS) : 0.95%, plus élevée que 61.3% des vulnérabilités.
- Correctif : mettre à jour vers 2.0.0 ou plus récent.
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.
NVD 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.
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