Critical severityNVD Advisory· Published Oct 19, 2018· Updated Sep 17, 2024
CVE-2018-18531
CVE-2018-18531
Description
text/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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
com.github.penggle:kaptchaMaven | <= 2.3.2 | — |
Affected products
1Patches
Vulnerability mechanics
References
3- github.com/advisories/GHSA-8q89-pwhh-7wfqghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2018-18531ghsaADVISORY
- github.com/penggle/kaptcha/issues/3ghsax_refsource_MISCWEB
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