What’s Vulnerable › Vulnerabilities

CVE-2024-58036: Net::Dropbox::API 1.9 and earlier for Perl uses insecure rand() function for cryptographic functions

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-04-05 · updated 2026-06-17
• Weakness: CWE-331

Description

Net::Dropbox::API 1.9 and earlier for Perl uses the rand() function as the default source of entropy, which is not cryptographically secure, for cryptographic functions. Specifically Net::Dropbox::API uses the Data::Random library which specifically states that it is "Useful mostly for test programs". Data::Random uses the rand() function.

Affected products

• Norbu09 Net::Dropbox::Api: through 1.9

References

• https://metacpan.org/release/BAREFOOT/Data-Random-0.13/source/lib/Data/Random.pm#L537
• https://metacpan.org/release/NORBU/Net-Dropbox-API-1.9/source/lib/Net/Dropbox/API.pm#L11
• https://metacpan.org/release/NORBU/Net-Dropbox-API-1.9/source/lib/Net/Dropbox/API.pm#L385
• https://perldoc.perl.org/functions/rand
• https://security.metacpan.org/docs/guides/random-data-for-security.html

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