ProSysInfo TFTP Server TFTPDWIN up to 0.4.2 tftpd.exe stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in ProSysInfo TFTP Server TFTPDWIN up to 0.4.2. This vulnerability affects unknown code of the file tftpd.exe. Such manipulation leads to stack-based overflow. This vulnerability is referenced as CVE-2006-4948. Furthermore, an exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in ProSysInfo TFTP Server TFTPDWIN up to 0.4.2 (File Transfer Software). Affected by this issue is an unknown part of the file tftpd.exe. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. CVE summarizes:

Stack-based buffer overflow in tftpd.exe in ProSysInfo TFTP Server TFTPDWIN 0.4.2 and earlier allows remote attackers to execute arbitrary code or cause a denial of service via a long file name. NOTE: the provenance of this information is unknown; the details are obtained from third party information.

The weakness was published 09/21/2006 by Parvez Anwar (Website). The advisory is shared for download at vupen.com. This vulnerability is handled as CVE-2006-4948 since 09/22/2006. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

A public exploit has been developed by Jacopo Cervini in Perl and been published 5 months after the advisory. The exploit is available at securityfocus.com. It is declared as highly functional.

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 1941.

The vulnerability is also documented in the databases at X-Force (29075), Exploit-DB (3132), SecurityFocus (BID 20131†), OSVDB (29032†) and Secunia (SA21854†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Author: Jacopo Cervini
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 100265
OpenVAS Name: ProSysInfo TFTPDWIN Remote Buffer Overflow Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

MetaSploit ID: tftpdwin_long_filename.rb
MetaSploit Name: TFTPDWIN v0.4.2 Long Filename Buffer Overflow
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍
Snort ID: 1941
Snort Message: PROTOCOL-TFTP GET filename overflow attempt
Snort Class: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍

SourceFire IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

09/21/2006 🔍
09/21/2006 +0 days 🔍
09/21/2006 +0 days 🔍
09/21/2006 +0 days 🔍
09/21/2006 +0 days 🔍
09/22/2006 +0 days 🔍
09/22/2006 +0 days 🔍
01/15/2007 +115 days 🔍
01/15/2007 +0 days 🔍
09/12/2010 +1336 days 🔍
03/12/2015 +1642 days 🔍
03/04/2017 +723 days 🔍

Sourcesinfo

Advisory: vupen.com⛔
Researcher: Parvez Anwar
Status: Confirmed

CVE: CVE-2006-4948 (🔍)
GCVE (CVE): GCVE-0-2006-4948
GCVE (VulDB): GCVE-100-32420
X-Force: 29075
SecurityFocus: 20131 - ProSysInfo TFTPDWIN Remote Buffer Overflow Vulnerability
Secunia: 21854 - TFTP Server TFTPDWIN Buffer Overflow Vulnerability, Moderately Critical
OSVDB: 29032 - TFTP Server TFTPDWIN Resource Handling Overflow
Vulnerability Center: 27074 - ProSysInfo TFTP Server TFTPDWIN 0.4.2 and Prior Remote Arbitrary Code Execution or DoS Vulnerability, High
Vupen: ADV-2006-3731

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

Entryinfo

Created: 03/12/2015 15:51
Updated: 03/04/2017 14:46
Changes: 03/12/2015 15:51 (68), 03/04/2017 14:46 (22)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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