Pwgen up to 2.06 Password Generator /dev/urandom cryptographic issues

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability was found in Pwgen up to 2.06 and classified as problematic. Affected by this issue is an unknown code of the file /dev/urandom of the component Password Generator. The manipulation with an unknown input leads to a cryptographic issues vulnerability. Using CWE to declare the problem leads to CWE-310. Impacted is integrity. CVE summarizes:

Password Generator (aka Pwgen) before 2.07 uses weak pseudo generated numbers when /dev/urandom is unavailable, which makes it easier for context-dependent attackers to guess the numbers.

The weakness was released 12/19/2014 by Solar Designer (Website). The advisory is shared for download at sourceforge.net. This vulnerability is handled as CVE-2013-4442 since 06/12/2013. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1600.

The vulnerability scanner Nessus provides a plugin with the ID 79937 (Fedora 20 : pwgen-2.07-1.fc20 (2014-16368)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks.

Upgrading to version 2.07 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (88129) and Tenable (79937). Entry connected to this vulnerability is available at 76135.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Nessus ID: 79937
Nessus Name: Fedora 20 : pwgen-2.07-1.fc20 (2014-16368)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 867292
OpenVAS Name: Fedora Update for pwgen FEDORA-2014-16473
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Pwgen 2.07
Patch: sourceforge.net

Timelineinfo

06/12/2013 🔍
10/17/2013 +127 days 🔍
10/17/2013 +0 days 🔍
12/19/2014 +428 days 🔍
12/19/2014 +0 days 🔍
12/29/2014 +10 days 🔍
06/30/2015 +183 days 🔍
05/22/2022 +2518 days 🔍

Sourcesinfo

Advisory: 00118cca
Researcher: Solar Designer
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-4442 (🔍)
X-Force: 88129
Vulnerability Center: 47837 - Password Generator (Pwgen) <2.07 Insecure Password Generation Vulnerability - CVE-2013-4442, Medium
SecurityFocus: 63184 - pwgen CVE-2013-4442 Insecure Password Generation Weakness

See also: 🔍

Entryinfo

Created: 06/30/2015 18:19
Updated: 05/22/2022 09:20
Changes: 06/30/2015 18:19 (62), 06/17/2017 07:18 (9), 05/22/2022 09:15 (4), 05/22/2022 09:20 (1)
Complete: 🔍

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