VDB-17555 · CVE-2001-0794 · Snort 1734

A-FTP Anonymous FTP Server Command User 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.
7.1	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in A-FTP Anonymous FTP Server. Affected is an unknown function of the component Command Handler. The manipulation of the argument User leads to memory corruption. This vulnerability is referenced as CVE-2001-0794. No exploit is available. It is recommended to apply restrictive firewalling.

Detailsinfo

A vulnerability was found in A-FTP Anonymous FTP Server (File Transfer Software) (version now known) and classified as critical. This issue affects some unknown processing of the component Command Handler. The manipulation of the argument USER 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. The summary by CVE is:

Buffer overflow in A-FTP Anonymous FTP Server allows remote attackers to cause a denial of service via a long USER command.

The weakness was published 10/18/2001 as not defined posting (Bugtraq). It is possible to read the advisory at archives.neohapsis.com. The identification of this vulnerability is CVE-2001-0794. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Addressing this vulnerability is possible by firewalling . Attack attempts may be identified with Snort ID 1734.

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Productinfo

Type

File Transfer Software

Vendor

A-FTP

Name

Anonymous FTP Server

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

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: Firewall
Status: 🔍

0-Day Time: 🔍
Snort ID: 1734
Snort Message: PROTOCOL-FTP USER overflow attempt
Snort Class: 🔍

Suricata ID: 2101734
Suricata Class: 🔍
Suricata Message: 🔍

Timelineinfo

10/18/2001 🔍
10/18/2001 +0 days 🔍
07/09/2014 +4647 days 🔍
04/10/2019 +1736 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Status: Not defined

CVE: CVE-2001-0794 (🔍)
GCVE (CVE): GCVE-0-2001-0794
GCVE (VulDB): GCVE-100-17555

Entryinfo

Created: 07/09/2014 22:35
Updated: 04/10/2019 10:32
Changes: 07/09/2014 22:35 (48), 04/10/2019 10:32 (6)
Complete: 🔍
Cache ID: 216::103