VDB-17522 · CVE-2001-0759 · EDB 20927

Jetico Bestcrypt 0.6/0.7/0.8.1 bctool memory corruption

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.
8.4	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Jetico Bestcrypt 0.6/0.7/0.8.1. Affected is an unknown function of the component bctool. Such manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2001-0759. Moreover, an exploit is present. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Jetico Bestcrypt 0.6/0.7/0.8.1. It has been rated as critical. Affected by this issue is an unknown functionality of the component bctool. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in bctool in Jetico BestCrypt 0.8.1 and earlier allows local users to execute arbitrary code via a file or directory with a long pathname, which is processed during an unmount.

The weakness was disclosed 10/18/2001 by Carl Livitt (Website). The advisory is available at securityfocus.com. This vulnerability is handled as CVE-2001-0759. The exploitation is known to be easy. Local access is required to approach this attack. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed in ANSI C. The exploit is available at securityfocus.com. It is declared as proof-of-concept.

Upgrading to version 0.8.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (20927) and SecurityFocus (BID 2875†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Jetico

Name

Bestcrypt

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.4

VulDB Base Score: 9.3
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Bestcrypt 0.8.2

Timelineinfo

06/14/2001 🔍
10/18/2001 +126 days 🔍
10/18/2001 +0 days 🔍
07/09/2014 +4647 days 🔍
10/04/2024 +3740 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Carl Livitt
Status: Not defined

CVE: CVE-2001-0759 (🔍)
GCVE (CVE): GCVE-0-2001-0759
GCVE (VulDB): GCVE-100-17522
SecurityFocus: 2875 - BestCrypt BCTool UMount Buffer Overflow Vulnerability

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

Entryinfo

Created: 07/09/2014 17:28
Updated: 10/04/2024 09:35
Changes: 07/09/2014 17:28 (54), 06/04/2018 08:46 (2), 10/04/2024 09:35 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.