PT-2022-12341 · Unknown · Spipu Html2Pdf

Published 2022-01-18 · Updated 2022-07-12 · CVE-2021-45394

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Spipu HTML2PDF versions prior to 5.2.4

Description An issue was discovered that allows attackers to trigger deserialization of arbitrary data via the injection of a malicious tag in the converted HTML document.

Recommendations For versions prior to 5.2.4, update to version 5.2.4 or later to resolve the issue.

Exploit

Fix

XSS

Deserialization of Untrusted Data

SSRF

Weakness Enumeration

CWE-79

CWE-502

CWE-918

Related Identifiers

CVE-2021-45394

GHSA-6M93-343M-3JRC

Affected Products

Spipu Html2Pdf

References · 9

• 🔥 https://synacktiv.com/sites/default/files/2022-01/html2pdf_ssrf_deserialization.pdf · Exploit
• https://osv.dev/vulnerability/CVE-2021-45394 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-6m93-343m-3jrc · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-45394 · Security Note
• https://github.com/spipu/html2pdf · Note
• https://github.com/spipu/html2pdf/blob/master/CHANGELOG.md · Note
• https://github.com/spipu/html2pdf/commit/100a4d509abf8550765cf0e0da83e83abb422585 · Note
• https://github.com/spipu/html2pdf/releases/tag/v5.2.4 · Note
• https://github.com/spipu/html2pdf/commit/2e6bab9a2afe9cfd4d3c3038da64d8ad74e41d7f · Note