NAI PGP 5.5.3i/6.5.1i/6.5.3i Additional Decryption Key cleartext storage

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.
5.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in NAI PGP 5.5.3i/6.5.1i/6.5.3i. This affects an unknown part of the component Additional Decryption Key Handler. Executing a manipulation can lead to cleartext storage. This vulnerability is registered as CVE-2000-0678. Furthermore, an exploit is available. This vulnerability is historically impactful due to its background and the reception it garnered.

Detailsinfo

A vulnerability was found in NAI PGP 5.5.3i/6.5.1i/6.5.3i. It has been declared as critical. This vulnerability affects an unknown function of the component Additional Decryption Key Handler. The manipulation with an unknown input leads to a cleartext storage vulnerability. The CWE definition for the vulnerability is CWE-312. The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere. As an impact it is known to affect confidentiality. CVE summarizes:

PGP 5.5.x through 6.5.3 does not properly check if an Additional Decryption Key (ADK) is stored in the signed portion of a public certificate, which allows an attacker who can modify a victim s public certificate to decrypt any data that has been encrypted with the modified certificate.

The weakness was published 08/24/2000 by Ralf Senderek as confirmed advisory (CERT.org). The advisory is shared for download at cert.org. This vulnerability was named CVE-2000-0678. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but an exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/27/2018). The MITRE ATT&CK project declares the attack technique as T1555. This vulnerability has a historic impact due to its background and reception.

After immediately, there has been an exploit disclosed. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (5136), SecurityFocus (BID 1606†) and OSVDB (4354†). Once again VulDB remains the best source for vulnerability data.

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: 5.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cleartext storage
CWE: CWE-312 / CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

08/24/2000 🔍
08/24/2000 +0 days 🔍
08/24/2000 +0 days 🔍
10/20/2000 +57 days 🔍
03/19/2004 +1246 days 🔍
06/25/2014 +3749 days 🔍
05/27/2018 +1432 days 🔍

Sourcesinfo

Advisory: cert.org
Researcher: Ralf Senderek
Status: Confirmed

CVE: CVE-2000-0678 (🔍)
GCVE (CVE): GCVE-0-2000-0678
GCVE (VulDB): GCVE-100-15820
X-Force: 5136
SecurityFocus: 1606 - PGP ADK Insertion Vulnerability
OSVDB: 4354 - NAI PGP Certificates Unsigned ADKs Cleartext Message Disclosure

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

Entryinfo

Created: 06/25/2014 16:16
Updated: 05/27/2018 12:12
Changes: 06/25/2014 16:16 (50), 05/27/2018 12:12 (8)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!