VDB-81951 · XFDB 7203 · BID 3375

NAI PGP Keyserver cs.exe action improper authentication

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.
6.9$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in NAI PGP Keyserver. Affected by this issue is some unknown functionality of the file cs.exe. Performing a manipulation of the argument action results in improper authentication. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in NAI PGP Keyserver (affected version not known). It has been classified as critical. This affects some unknown functionality of the file cs.exe. The manipulation of the argument action with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 08/03/2001. The weakness was released 09/21/2001 by Nobuo Miwa (Website). It is possible to read the advisory at archives.neohapsis.com. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a exploit are known.

After immediately, there has been an exploit disclosed. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 49 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Attack attempts may be identified with Snort ID 1302.

The vulnerability is also documented in the databases at X-Force (7203), SecurityFocus (BID 3375†) and OSVDB (4193†). Entry connected to this vulnerability is available at VDB-17444. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.3
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍
Snort ID: 1302

Timelineinfo

08/03/2001 🔍
09/21/2001 +49 days 🔍
09/21/2001 +0 days 🔍
09/28/2001 +6 days 🔍
02/21/2003 +511 days 🔍
04/11/2016 +4797 days 🔍
10/01/2018 +903 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Researcher: Nobuo Miwa
Status: Not defined

GCVE (VulDB): GCVE-100-81951
X-Force: 7203
SecurityFocus: 3375 - NAI PGP Keyserver Web Administration Interface Authentication Bypassing Vulnerability
OSVDB: 4193 - NAI PGP Keyserver cs.exe Authentication Bypass

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 04/11/2016 16:03
Updated: 10/01/2018 11:07
Changes: 04/11/2016 16:03 (46), 10/01/2018 11:07 (6)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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