VDB-19491 · CVE-2002-1848 · BID 4835

TightVNC 1.2/1.2.1/1.2.2/1.2.3 on Windows missing encryption

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.
3.8	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in TightVNC 1.2/1.2.1/1.2.2/1.2.3 on Windows and classified as problematic. Affected is an unknown function. Performing a manipulation results in missing encryption. This vulnerability is identified as CVE-2002-1848. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in TightVNC 1.2/1.2.1/1.2.2/1.2.3 on Windows. It has been classified as problematic. This affects an unknown part. The manipulation with an unknown input leads to a missing encryption vulnerability. CWE is classifying the issue as CWE-311. The product does not encrypt sensitive or critical information before storage or transmission. This is going to have an impact on confidentiality. The summary by CVE is:

TightVNC before 1.2.4 running on Windows stores unencrypted passwords in the password text control of the WinVNC Properties dialog, which could allow local users to access passwords.

The weakness was released 12/31/2002 (Website). It is possible to read the advisory at tightvnc.com. This vulnerability is uniquely identified as CVE-2002-1848 since 06/29/2005. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600 according to MITRE ATT&CK.

Upgrading to version 1.2.4 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 4835†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

TightVNC

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Missing encryption
CWE: CWE-311 / CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: TightVNC 1.2.4

Timelineinfo

05/25/2002 🔍
12/31/2002 +220 days 🔍
12/31/2002 +0 days 🔍
06/29/2005 +911 days 🔍
08/04/2014 +3323 days 🔍
06/10/2018 +1406 days 🔍

Sourcesinfo

Advisory: tightvnc.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2002-1848 (🔍)
GCVE (CVE): GCVE-0-2002-1848
GCVE (VulDB): GCVE-100-19491
SecurityFocus: 4835 - TightVNC Plain Text Password Storage Vulnerability

Entryinfo

Created: 08/04/2014 17:15
Updated: 06/10/2018 08:55
Changes: 08/04/2014 17:15 (46), 06/10/2018 08:55 (6)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.