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CVE-2024-56522

Quick assessment

Affected
tecnick tcpdf
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TCPDF是Tecnick开源的一个库。用于生成 PDF 文档和条形码。 TCPDF 6.8.0之前版本存在安全漏洞，该漏洞源于unserializeTCPDFtag 使用“!=”并且不使用constant-time函数来比较 TCPDF 标签哈希值。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.61% · P48

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2024-56522

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in TCPDF before 6.8.0. unserializeTCPDFtag uses != (aka loose comparison) and does not use a constant-time function to compare TCPDF tag hashes.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
TCPDF 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TCPDF是Tecnick开源的一个库。用于生成 PDF 文档和条形码。 TCPDF 6.8.0之前版本存在安全漏洞，该漏洞源于unserializeTCPDFtag 使用“!=”并且不使用constant-time函数来比较 TCPDF 标签哈希值。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
tecnick tcpdf 0 ~ 6.8.0 -

II. Public POCs for CVE-2024-56522

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III. Intelligence Information for CVE-2024-56522

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Patches & Fixes for CVE-2024-56522 (2)

Vendor Pages for CVE-2024-56522 (2)

Same Patch Batch · tecnick · 2024-12-27 · 5 CVEs total

CVE-2024-56520 tc-lib-pdf-font 安全漏洞
CVE-2024-56521 TCPDF 安全漏洞
CVE-2024-56519 TCPDF 安全漏洞
CVE-2024-56527 TCPDF 安全漏洞

IV. Related Vulnerabilities

Same product: tcpdf
Same vendor: tecnick

V. Comments for CVE-2024-56522

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