VDB-18864 · CVE-2002-0928 · XFDB 9409

Pirch IRC Client 98 Hyperlink 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.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Pirch IRC Client 98. It has been declared as critical. Affected is an unknown function of the component Hyperlink Handler. The manipulation results in memory corruption. This vulnerability is cataloged as CVE-2002-0928. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Pirch IRC Client 98 (Chat Software). Affected is some unknown processing of the component Hyperlink Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in the Pirch 98 IRC client allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long hyperlink in a channel or private message.

The weakness was shared 10/04/2002 (Website). The advisory is shared for download at archives.neohapsis.com. This vulnerability is traded as CVE-2002-0928. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.

The exploit is shared for download 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 (9409), Exploit-DB (21574) and SecurityFocus (BID 5079†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Chat Software

Vendor

Pirch

Name

IRC Client

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

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: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/21/2002 🔍
10/04/2002 +105 days 🔍
10/04/2002 +0 days 🔍
07/29/2014 +4316 days 🔍
03/29/2025 +3896 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Status: Not defined

CVE: CVE-2002-0928 (🔍)
GCVE (CVE): GCVE-0-2002-0928
GCVE (VulDB): GCVE-100-18864
X-Force: 9409 - Pirch 98 IRC client malformed link buffer overflow
SecurityFocus: 5079 - Pirch IRC Client Malformed Link Buffer Overrun Vulnerability

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

Entryinfo

Created: 07/29/2014 11:15
Updated: 03/29/2025 19:26
Changes: 07/29/2014 11:15 (55), 04/18/2019 16:45 (1), 03/29/2025 19:26 (21)
Complete: 🔍
Cache ID: 216:0C2:103

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