PGP Certificate Server 2.5.0/2.5.1 Reverse DNS Entry denial of service

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

Summaryinfo

A vulnerability has been found in PGP Certificate Server 2.5.0/2.5.1 and classified as problematic. Impacted is an unknown function of the component Reverse DNS Entry Handler. Performing a manipulation results in denial of service. This vulnerability is cataloged as CVE-2000-0543. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in PGP Certificate Server 2.5.0/2.5.1. This affects an unknown part of the component Reverse DNS Entry Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

The command port for PGP Certificate Server 2.5.0 and 2.5.1 allows remote attackers to cause a denial of service if their hostname does not have a reverse DNS entry and they connect to port 4000.

The weakness was shared 06/14/2000 by Ussr Labs as not defined posting (Bugtraq). The advisory is shared at archives.neohapsis.com. This vulnerability is uniquely identified as CVE-2000-0543. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 10442 (NAI PGP Certificate Server Unresolvable IP DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Denial of Service, running in the context r and relying on port 5555.

Upgrading eliminates this vulnerability.It is possible to mitigate the weakness by firewalling 4000. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (4695), Tenable (10442), SecurityFocus (BID 1343†) and Vulnerability Center (SBV-1784†). 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: Denial of service
CWE: CWE-404
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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Nessus ID: 10442
Nessus Name: NAI PGP Certificate Server Unresolvable IP DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 10442
OpenVAS Name: NAI PGP Cert Server DoS
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Firewalling: 🔍

Timelineinfo

06/14/2000 🔍
06/14/2000 +0 days 🔍
06/14/2000 +0 days 🔍
06/14/2000 +0 days 🔍
06/22/2000 +8 days 🔍
08/26/2003 +1160 days 🔍
06/25/2014 +3956 days 🔍
05/11/2019 +1781 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Researcher: Ussr Labs
Status: Not defined

CVE: CVE-2000-0543 (🔍)
GCVE (CVE): GCVE-0-2000-0543
GCVE (VulDB): GCVE-100-15669
X-Force: 4695 - PGP Certificate Server unresolvable IP denial of service
SecurityFocus: 1343 - Network Associates PGP Certificate Server Unresolveable IP Address DoS Vulnerability
Vulnerability Center: 1784 - DoS in Network Associates PGP Certificate Server via Access with Irresolvable IP Address, High

Entryinfo

Created: 06/25/2014 12:07
Updated: 05/11/2019 21:28
Changes: 06/25/2014 12:07 (73), 05/11/2019 21:28 (1)
Complete: 🔍
Cache ID: 216::103

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

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