Vulnerability · Published Apr 5, 2025 · Assigned by CPANSec
CVE-2024-56370Net::Xero 0.044 and earlier for Perl uses insecure rand() function for cryptographic functions
Medium 6.5
In plain English
A medium-severity security flaw in Net::Xero from ELLIOTT. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 29% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.4%top 70.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Net::Xero 0.044 and earlier for Perl uses the rand() function as the default source of entropy, which is not cryptographically secure, for cryptographic functions. Specifically Net::Xero uses the Data::Random library which specifically states that it is "Useful mostly for test programs". Data::Random uses the rand() function.
Affected products (as reported)
Weakness: CWE-338, CWE-331 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
References
- https://perldoc.perl.org/functions/rand
- https://security.metacpan.org/docs/guides/random-data-for-security.html
- https://metacpan.org/release/BAREFOOT/Data-Random-0.13/source/lib/Data/Random.pm#L537
- https://metacpan.org/release/ELLIOTT/Net-Xero-0.44/source/lib/Net/Xero.pm#L58
- https://metacpan.org/release/ELLIOTT/Net-Xero-0.44/source/lib/Net/Xero.pm#L9