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CVE-2024-13939— String::Compare::ConstantTime for Perl through 0.321 is vulnerable to timing attacks that allow an attacker to guess the length of a secret string

Quick assessment

Affected
FRACTAL String::Compare::ConstantTime
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.

MetaCPAN String::Compare::ConstantTime是MetaCPAN基金会的一个组件。 MetaCPAN String::Compare::ConstantTime 0.321及之前版本存在安全漏洞，该漏洞源于可能泄露秘密字符串长度的计时攻击。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.37% · P29

Possible ATT&CK Techniques 1 AI

T1216 · System Script Proxy Execution
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I. Basic Information for CVE-2024-13939

Vulnerability Information
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Vulnerability Title
String::Compare::ConstantTime for Perl through 0.321 is vulnerable to timing attacks that allow an attacker to guess the length of a secret string
Source: CVE Program / CVE List V5
Vulnerability Description
String::Compare::ConstantTime for Perl through 0.321 is vulnerable to timing attacks that allow an attacker to guess the length of a secret string. As stated in the documentation: "If the lengths of the strings are different, because equals returns false right away the size of the secret string may be leaked (but not its contents)." This is similar to CVE-2020-36829
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
通过时间差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
MetaCPAN String::Compare::ConstantTime 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MetaCPAN String::Compare::ConstantTime是MetaCPAN基金会的一个组件。 MetaCPAN String::Compare::ConstantTime 0.321及之前版本存在安全漏洞，该漏洞源于可能泄露秘密字符串长度的计时攻击。
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
FRACTAL String::Compare::ConstantTime 0 ~ 0.321 -

II. Public POCs for CVE-2024-13939

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III. Intelligence Information for CVE-2024-13939

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IV. Related Vulnerabilities

Same weakness: CWE-208

V. Comments for CVE-2024-13939

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