CVE-2018-18531

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Summary

CVECVE-2018-18531
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2018-10-19 20:29:00 UTC
Updated2019-01-25 16:29:00 UTC
Descriptiontext/impl/DefaultTextCreator.java, text/impl/ChineseTextProducer.java, and text/impl/FiveLetterFirstNameTextCreator.java in kaptcha 2.3.2 use the Random (rather than SecureRandom) function for generating CAPTCHA values, which makes it easier for remote attackers to bypass intended access restrictions via a brute-force approach.

Risk And Classification

Problem Types: CWE-330

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Kaptcha Project Kaptcha 2.3.2 All All All
Application Kaptcha Project Kaptcha 2.3.2 All All All

References

ReferenceSourceLinkTags
Insecure Random · Issue #3 · penggle/kaptcha · GitHub MISC github.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 981185 Java (maven) Security Update for com.github.penggle:kaptcha (GHSA-8q89-pwhh-7wfq)

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