libnet-ssleay-perl 1.25 tmp/entropy Local Privilege Escalation

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

A vulnerability was found in libnet-ssleay-perl 1.25 (Programming Language Software) and classified as problematic. Affected by this issue is an unknown functionality of the file tmp/entropy. The manipulation with an unknown input leads to a local privilege escalation vulnerability. Impacted is confidentiality, integrity, and availability. CVE summarizes:

ssleay.pm in libnet-ssleay-perl before 1.25 uses the /tmp/entropy file for entropy if a source is not set in the egd_path variable which allows local users to reduce the cryptographic strength of certain operations by modifying the file.

The bug was discovered 05/04/2005. The weakness was presented 05/03/2005 by Javier Fernandez-Sanguino Pena (Website). The advisory is available at ubuntulinux.org. This vulnerability is handled as CVE-2005-0106 since 01/18/2005. The exploitation is known to be easy. Local access is required to approach this attack. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 20500 (Ubuntu 5.04 : libnet-ssleay-perl vulnerability (USN-113-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (20403) and Tenable (20500).

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

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CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Local Privilege Escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

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Nessus ID: 20500
Nessus Name: Ubuntu 5.04 : libnet-ssleay-perl vulnerability (USN-113-1)
Nessus File: 🔍
Nessus Risk: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Timelineinfo

01/18/2005 🔍
05/03/2005 +105 days 🔍
05/03/2005 +0 days 🔍
05/03/2005 +0 days 🔍
05/03/2005 +0 days 🔍
05/03/2005 +0 days 🔍
05/04/2005 +1 days 🔍
01/15/2006 +256 days 🔍
01/30/2006 +15 days 🔍
03/11/2015 +3327 days 🔍
06/13/2019 +1555 days 🔍

Sourcesinfo

Advisory: ubuntulinux.org
Researcher: Javier Fernandez-Sanguino Pena
Status: Not defined

CVE: CVE-2005-0106 (🔍)
X-Force: 20403
Vulnerability Center: 10226 - Net::SSLeay Module Allows Local Reduce of Cryptographic Strength, Low
SecurityFocus: 13471 - Joshua Chamas Crypt::SSLeay Perl Module Insecure Entropy Source Vulnerability
Secunia: 15207
OSVDB: 16253 - Net::SSLeay Entropy data modification

Entryinfo

Created: 03/11/2015 11:41
Updated: 06/13/2019 16:39
Changes: 03/11/2015 11:41 (65), 06/13/2019 16:39 (6)
Complete: 🔍

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