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Vulnerability Details : CVE-2011-3599

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.
Publish Date : 2011-10-10 Last Update Date : 2011-10-20
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- CVSS Scores & Vulnerability Types

CVSS Score
5.8
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 310

- Products Affected By CVE-2011-3599

# Product Type Vendor Product Version Update Edition Language
1 Application Adam Kennedy Crypt-dsa 0.01 Version Details Vulnerabilities
2 Application Adam Kennedy Crypt-dsa 0.02 Version Details Vulnerabilities
3 Application Adam Kennedy Crypt-dsa 0.03 Version Details Vulnerabilities
4 Application Adam Kennedy Crypt-dsa 0.10 Version Details Vulnerabilities
5 Application Adam Kennedy Crypt-dsa 0.11 Version Details Vulnerabilities
6 Application Adam Kennedy Crypt-dsa 0.12 Version Details Vulnerabilities
7 Application Adam Kennedy Crypt-dsa 0.13 Version Details Vulnerabilities
8 Application Adam Kennedy Crypt-dsa 0.14 Version Details Vulnerabilities
9 Application Adam Kennedy Crypt-dsa 0.15 01 Version Details Vulnerabilities
10 Application Adam Kennedy Crypt-dsa 1.16 Version Details Vulnerabilities
11 Application Adam Kennedy Crypt-dsa 1.17 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Adam Kennedy Crypt-dsa 11

- References For CVE-2011-3599

http://secunia.com/advisories/46275
SECUNIA 46275
https://bugzilla.redhat.com/show_bug.cgi?id=743567 CONFIRM
http://www.openwall.com/lists/oss-security/2011/10/05/9
MLIST [oss-security] 20111005 Re: CVE Request -- perl-Crypt-DSA -- Cryptographically insecure method used for random numbers generation on systems without /dev/random
http://www.openwall.com/lists/oss-security/2011/10/05/5
MLIST [oss-security] 20111005 CVE Request -- perl-Crypt-DSA -- Cryptographically insecure method used for random numbers generation on systems without /dev/random
http://osvdb.org/76025
OSVDB 76025
https://rt.cpan.org/Public/Bug/Display.html?id=71421
http://www.securityfocus.com/bid/49928
BID 49928 Perl Crypt-DSA Module Random Number Values Security Weakness Release Date:2011-10-11

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)

- Metasploit Modules Related To CVE-2011-3599

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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