Luca Deri ntop 2.0 TraceEvent syslog format string

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.
6.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Luca Deri ntop 2.0. This affects the function syslog of the component TraceEvent Handler. Such manipulation leads to format string. This vulnerability is listed as CVE-2002-0412. In addition, an exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Luca Deri ntop 2.0. Affected by this issue is the function syslog of the component TraceEvent Handler. The manipulation with an unknown input leads to a format string vulnerability. Using CWE to declare the problem leads to CWE-134. The product uses a function that accepts a format string as an argument, but the format string originates from an external source. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Format string vulnerability in TraceEvent function for ntop before 2.1 allows remote attackers to execute arbitrary code by causing format strings to be injected into calls to the syslog function, via (1) an HTTP GET request, (2) a user name in HTTP authentication, or (3) a password in HTTP authentication.

The bug was discovered 03/04/2002. The weakness was presented 03/01/2002 by Peter Suschlik and hologram (Website). The advisory is shared for download at archives.neohapsis.com. This vulnerability is handled as CVE-2002-0412. 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 exploit are known.

After 4 days, there has been an exploit disclosed. It is declared as proof-of-concept. The commercial vulnerability scanner Qualys is able to test this issue with plugin 10560 (ntop Remote Format String Vulnerability).

Upgrading to version 2.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (8347), SecurityFocus (BID 4225†), OSVDB (5307†) and Vulnerability Center (SBV-6614†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Format string
CWE: CWE-134 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: ntop 2.1

Timelineinfo

02/28/2002 🔍
02/28/2002 +0 days 🔍
03/01/2002 +0 days 🔍
03/04/2002 +3 days 🔍
03/04/2002 +0 days 🔍
08/12/2002 +161 days 🔍
04/09/2004 +605 days 🔍
12/28/2004 +263 days 🔍
07/22/2014 +3493 days 🔍
09/18/2025 +4076 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Researcher: Peter Suschlik, hologram
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2002-0412 (🔍)
GCVE (CVE): GCVE-0-2002-0412
GCVE (VulDB): GCVE-100-18488
X-Force: 8347
SecurityFocus: 4225 - ntop Remote Format String Vulnerability
OSVDB: 5307 - ntop traceEvent() Function Format String Arbitrary Code Execution
Vulnerability Center: 6614 - Code Execution in Luca Deri ntop 2.0 via HTTP, High

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

Entryinfo

Created: 07/22/2014 20:39
Updated: 09/18/2025 13:41
Changes: 07/22/2014 20:39 (67), 06/03/2019 22:33 (1), 09/18/2025 13:41 (20)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you need the next level of professionalism?

Upgrade your account now!