Vulnerability CVE-2011-3599
Published: 2011-10-10   Modified: 2012-02-13

Description:
The 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.

Type:

CWE-310

 (Cryptographic Issues)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.8/10
4.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
Adam kennedy -> Crypt-dsa 

 References:
https://rt.cpan.org/Public/Bug/Display.html?id=71421
https://bugzilla.redhat.com/show_bug.cgi?id=743567
http://www.openwall.com/lists/oss-security/2011/10/05/9
http://www.openwall.com/lists/oss-security/2011/10/05/5
http://www.securityfocus.com/bid/49928
http://secunia.com/advisories/46275
http://osvdb.org/76025
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