CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.5	$0-$5k	0.00

A vulnerability, which was classified as critical, was found in Adam Kennedy Crypt-DSA up to 1.17. This affects the function Crypt::DSA. The manipulation with an unknown input leads to a cryptographic issues vulnerability. CWE is classifying the issue as CWE-310. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:

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.

The weakness was shared 10/10/2011 (Website). The advisory is shared at rt.cpan.org. This vulnerability is uniquely identified as CVE-2011-3599 since 09/21/2011. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1600 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 70133 (Mandriva Linux Security Advisory : perl-Crypt-DSA (MDVSA-2013:241)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (70295) and Tenable (70133).

Productinfo

Vendor

• Adam Kennedy

Name

• Crypt-DSA

Version

• 0.01
• 0.02
• 0.03
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15 01
• 1.16
• 1.17

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issues
CWE: CWE-310
ATT&CK: T1600

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 70133
Nessus Name: Mandriva Linux Security Advisory : perl-Crypt-DSA (MDVSA-2013:241)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 866893
OpenVAS Name: Fedora Update for perl-Crypt-DSA FEDORA-2013-15755
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/21/2011 🔍
10/04/2011 +13 days 🔍
10/04/2011 +0 days 🔍
10/04/2011 +0 days 🔍
10/10/2011 +6 days 🔍
10/10/2011 +0 days 🔍
09/15/2013 +706 days 🔍
09/26/2013 +11 days 🔍
03/23/2015 +543 days 🔍
11/23/2021 +2437 days 🔍

Sourcesinfo

Advisory: rt.cpan.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-3599 (🔍)
X-Force: 70295
Vulnerability Center: 41500 - Crypt::DSA Module 1.17 For Perl Allows Remote Spoofing via Brute Force Attack, Medium
SecurityFocus: 49928 - Perl Crypt-DSA Module Random Number Values Security Weakness
Secunia: 46275 - Perl Crypt-DSA Module Insecure Random Number Generator Security Issue, Less Critical
OSVDB: 76025

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/23/2021 14:22
Changes: 03/23/2015 16:50 (67), 05/11/2017 08:46 (6), 11/23/2021 14:22 (3)
Complete: 🔍

Discussion

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