Net Integration Technologies Inc. WvTFTPServer 0.9 wvtftpserver.cc new_connection TFTP Packet heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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9.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Net Integration Technologies Inc. WvTFTPServer 0.9 and classified as critical. The impacted element is the function wvtftpserver::new_connection of the file wvtftpserver.cc. Executing a manipulation as part of TFTP Packet can lead to heap-based overflow. This vulnerability appears as CVE-2004-1636. In addition, an exploit is available.

Detailsinfo

A vulnerability classified as very critical was found in Net Integration Technologies Inc. WvTFTPServer 0.9. This vulnerability affects the function wvtftpserver::new_connection of the file wvtftpserver.cc. The manipulation as part of a TFTP Packet leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Heap-based buffer overflow in the WvTFTPServer::new_connection function in wvtftpserver.cc for WvTftp 0.9 allows remote attackers to execute arbitrary code via a long option string in a TFTP packet.

The weakness was presented 10/25/2004 by infamous41md (Website). The advisory is shared for download at secunia.com. This vulnerability was named CVE-2004-1636 since 02/20/2005. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/01/2025).

A public exploit has been developed in ANSI C and been published immediately after the advisory. It is possible to download the exploit at securityfocus.com. 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 (17869), Exploit-DB (608), SecurityFocus (BID 11525†), OSVDB (11175†) and Secunia (SA12986†). 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: 10.0
VulDB Meta Temp Score: 9.1

VulDB Base Score: 10.0
VulDB Temp Score: 9.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

10/25/2004 🔍
10/25/2004 +0 days 🔍
10/26/2004 +0 days 🔍
10/26/2004 +0 days 🔍
10/28/2004 +2 days 🔍
10/28/2004 +0 days 🔍
02/20/2005 +114 days 🔍
01/09/2015 +3610 days 🔍
01/01/2025 +3645 days 🔍

Sourcesinfo

Advisory: secunia.com⛔
Researcher: infamous41md
Status: Not defined

CVE: CVE-2004-1636 (🔍)
GCVE (CVE): GCVE-0-2004-1636
GCVE (VulDB): GCVE-100-22348
X-Force: 17869 - WvTftp wvtftpserver.cc heap overflow
SecurityFocus: 11525 - WVTFTP Server Remote Buffer Overflow Vulnerability
Secunia: 12986 - WvTftp "new_connection()" Buffer Overflow Vulnerability, Highly Critical
OSVDB: 11175 - WvTftp new_connection() Remote Overflow

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

Entryinfo

Created: 01/09/2015 16:18
Updated: 01/01/2025 18:12
Changes: 01/09/2015 16:18 (60), 07/08/2017 14:20 (9), 01/01/2025 18:12 (19)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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