Claymore Systems Inc PureTLS 0.9b4 Certificates information disclosure

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 (≈)
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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.
5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Claymore Systems Inc PureTLS 0.9b4. This vulnerability affects unknown code of the component Certificates. This manipulation causes information disclosure. This vulnerability is handled as CVE-2005-4839. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Claymore Systems Inc PureTLS 0.9b4. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Certificates. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

PureTLS before 0.9b5 does not clear optional Extensions and Algorithm.Parameters values before parsing, which might trigger an information leak of values from earlier certificates.

The weakness was released 12/31/2005 (Website). The advisory is shared at www1.ietf.org. This vulnerability is known as CVE-2005-4839 since 04/30/2007. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Upgrading to version 0.9b5 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PureTLS 0.9b5

Timelineinfo

12/31/2005 🔍
12/31/2005 +0 days 🔍
04/30/2007 +485 days 🔍
03/12/2015 +2873 days 🔍
07/16/2018 +1222 days 🔍

Sourcesinfo

Advisory: www1.ietf.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2005-4839 (🔍)
GCVE (CVE): GCVE-0-2005-4839
GCVE (VulDB): GCVE-100-28141

Entryinfo

Created: 03/12/2015 11:11
Updated: 07/16/2018 09:25
Changes: 03/12/2015 11:11 (42), 07/16/2018 09:25 (6)
Complete: 🔍
Cache ID: 216:97F:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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