Trolltech Trollftpd up to 1.26 ls -R 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.
9.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Trolltech Trollftpd up to 1.26. It has been rated as critical. Impacted is an unknown function. This manipulation of the argument ls -R causes memory corruption. This vulnerability appears as CVE-2001-1113. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Trolltech Trollftpd up to 1.26 (File Transfer Software). It has been declared as very critical. Affected by this vulnerability is an unknown function. The manipulation of the argument ls -R 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. The summary by CVE is:

Buffer overflow in TrollFTPD 1.26 and earlier allows local users to execute arbitrary code by creating a series of deeply nested directories with long names, then running the ls -R (recursive) command.

The bug was discovered 08/13/2001. The weakness was presented 08/13/2001 by zen-parse (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2001-1113. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/29/2025).

The commercial vulnerability scanner Qualys is able to test this issue with plugin 27114 (TrollFTPD Buffer Overflow Vulnerability).

Upgrading to version 1.27 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (6974), SecurityFocus (BID 3174†), OSVDB (1925†) and Vulnerability Center (SBV-6639†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• File Transfer Software

Vendor

• Trolltech

Name

• Trollftpd

Version

• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.24
• 1.25
• 1.26

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Trollftpd 1.27

Timelineinfo

08/13/2001 🔍
08/13/2001 +0 days 🔍
08/13/2001 +0 days 🔍
08/13/2001 +0 days 🔍
08/13/2001 +0 days 🔍
12/29/2004 +1234 days 🔍
07/07/2014 +3477 days 🔍
09/29/2025 +4102 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: zen-parse
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2001-1113 (🔍)
GCVE (CVE): GCVE-0-2001-1113
GCVE (VulDB): GCVE-100-17143
X-Force: 6974
SecurityFocus: 3174 - TrollFTPD Buffer Overflow Vulnerability
OSVDB: 1925 - TrollFTPD - Buffer Overflow Issue
Vulnerability Center: 6639 - Buffer Overflow in Trolltech FTPd 1.17 - 1.26 Allows Code Execution, Critical

Entryinfo

Created: 07/07/2014 17:49
Updated: 09/29/2025 08:44
Changes: 07/07/2014 17:49 (60), 06/03/2019 12:02 (3), 09/29/2025 08:44 (19)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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