WinFtp Server 1.6.8 log-scr 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.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in WinFtp Server 1.6.8. Affected by this issue is the function log-scr. Executing a manipulation can lead to memory corruption. The identification of this vulnerability is CVE-2005-2634. There is no exploit available.

Detailsinfo

A vulnerability has been found in WinFtp Server 1.6.8 (File Transfer Software) and classified as critical. This vulnerability affects the function log-scr. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in the Log-SCR function in the "Log to Screen" feature in WinFtp Server 1.6.8 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a long request.

The bug was discovered 08/17/2005. The weakness was shared 08/23/2005 by Donato Ferrante (Website). The advisory is shared for download at marc.info. This vulnerability was named CVE-2005-2634 since 08/20/2005. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 27270 (WinFTP Server Log-SCR Buffer Overflow Vulnerability).

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 (21873), SecurityFocus (BID 14581†), OSVDB (18847†), Secunia (SA16461†) and Vulnerability Center (SBV-12066†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• File Transfer Software

Name

• WinFtp Server

Version

• 1.6.8

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

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: 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

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/17/2005 🔍
08/17/2005 +0 days 🔍
08/19/2005 +2 days 🔍
08/20/2005 +1 days 🔍
08/23/2005 +3 days 🔍
08/23/2005 +0 days 🔍
08/23/2005 +0 days 🔍
06/27/2006 +308 days 🔍
03/11/2015 +3179 days 🔍
06/30/2025 +3764 days 🔍

Sourcesinfo

Advisory: marc.info
Researcher: Donato Ferrante
Status: Not defined

CVE: CVE-2005-2634 (🔍)
GCVE (CVE): GCVE-0-2005-2634
GCVE (VulDB): GCVE-100-26104
X-Force: 21873
SecurityFocus: 14581 - WinFTP Server Log-SCR Buffer Overflow Vulnerability
Secunia: 16461 - WinFtp Server Log-SCR Feature Buffer Overflow Vulnerability, Moderately Critical
OSVDB: 18847 - WinFTP Server - Log-SCR - Buffer Overflow Issue
Vulnerability Center: 12066 - WinFTP Server Buffer Overflow via Log-SCR, Critical

Entryinfo

Created: 03/11/2015 23:39
Updated: 06/30/2025 02:03
Changes: 03/11/2015 23:39 (63), 06/21/2019 11:37 (3), 06/30/2025 02:03 (18)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

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