CVE-2011-3599

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Summary

CVECVE-2011-3599
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2011-10-10 10:55:06 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe Crypt::DSA (aka Crypt-DSA) module 1.17 and earlier for Perl, when /dev/random is absent, uses the Data::Random module, which makes it easier for remote attackers to spoof a signature, or determine the signing key of a signed message, via a brute-force attack.

Risk And Classification

Primary CVSS: v2.0 5.8 from [email protected]

AV:N/AC:M/Au:N/C:P/I:P/A:N

Problem Types: CWE-310 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
None

AV:N/AC:M/Au:N/C:P/I:P/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Adam Kennedy Crypt-dsa 0.01 All All All
Application Adam Kennedy Crypt-dsa 0.02 All All All
Application Adam Kennedy Crypt-dsa 0.03 All All All
Application Adam Kennedy Crypt-dsa 0.10 All All All
Application Adam Kennedy Crypt-dsa 0.11 All All All
Application Adam Kennedy Crypt-dsa 0.12 All All All
Application Adam Kennedy Crypt-dsa 0.13 All All All
Application Adam Kennedy Crypt-dsa 0.14 All All All
Application Adam Kennedy Crypt-dsa 0.15_01 All All All
Application Adam Kennedy Crypt-dsa 1.16 All All All
Application Adam Kennedy Crypt-dsa All All All All
Application Perl Perl All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
oss-security - CVE Request -- perl-Crypt-DSA -- Cryptographically insecure method used for random numbers generation on systems without /dev/random af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
Perl Crypt-DSA Module Insecure Random Number Generator Security Issue - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
osvdb.org/76025 af854a3a-2127-422b-91ae-364da2661108 osvdb.org
Bug 743567 – CVE-2011-3599 perl-Crypt-DSA: Cryptographically insecure method used for random numbers generation on systems without /dev/random af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Patch
Bug #71421 for Crypt-DSA: Systems without /dev/random may leak secret key af854a3a-2127-422b-91ae-364da2661108 rt.cpan.org Patch
oss-security - Re: CVE Request -- perl-Crypt-DSA -- Cryptographically insecure method used for random numbers generation on systems without /dev/random af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Patch
Perl Crypt-DSA Module Random Number Values Security Weakness af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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