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High 7.5
Crypt::DSA versions before 1.22 for Perl draw the DSA signing nonce and private key from a biased random generator, leading to private-key recovery
Crypt::DSA versions before 1.22 for Perl draw the DSA signing nonce and private key from a biased random generator, leading to private-key recovery. "Crypt::DSA::Util::makerandom forces the high bit of every value it returns to obtain an exactly N-bit integer…
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Critical 9.1
Crypt::DSA versions before 1.21 for Perl reused the nonce across signatures, leading to private-key recovery
Crypt::DSA versions before 1.21 for Perl reused the nonce across signatures, leading to private-key recovery. Crypt::DSA::sign caches the per-signature nonce material in the Key object without ever clearing it. The first sign() on a Key object picks a nonce, …
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Medium 6.5
Crypt::DSA versions through 1.19 for Perl use 2-args open, allowing existing files to be modified
Crypt::DSA versions through 1.19 for Perl use 2-args open, allowing existing files to be modified.
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High 7.3
Crypt::DSA versions before 1.20 for Perl generate seeds using rand
Crypt::DSA versions before 1.20 for Perl generate seeds using rand. Seeds were generated using Perl's built-in rand function, which is predictable and unsuitable for security usage.
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Unscored —
The Crypt::DSA (aka Crypt-DSA) module 1.17 and earlier for Perl, when /dev/random is absent, uses the Data::Random modu…