Weakness
Crypt::PasswdMD5 versions through 1.42 for Perl generates insecure random values for salts. The built-in rand function is predictable, and unsuitable for cryptography.
References
- https://github.com/ronsavage/Crypt-PasswdMD5/commit/a2f821637db0296082297aa4b02254ab08f0dc5e.patch
- https://github.com/ronsavage/Crypt-PasswdMD5/pull/3
- https://metacpan.org/release/RSAVAGE/Crypt-PasswdMD5-1.42/source/lib/Crypt/PasswdMD5.pm#L35-47
- https://metacpan.org/release/RSAVAGE/Crypt-PasswdMD5-1.43/changes
- http://www.openwall.com/lists/oss-security/2026/05/08/17
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