Justsystem Ichitaro Government up to 9.x memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$0-$5k0.00

A vulnerability was found in Justsystem Ichitaro Government up to 9.x. It has been rated as critical. Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Stack-based buffer overflow in Justsystem Ichitaro 9.x through 13.x, Ichitaro 2004, 2005, 2006, and Government 2006; Ichitaro for Linux; and FormLiner before 20060818 allows remote attackers to execute arbitrary code via long Unicode strings in a crafted document, as being actively exploited by malware such as Trojan.Tarodrop. NOTE: some details are obtained from third party information.

The bug was discovered 08/21/2006. The weakness was published 08/23/2006 (Website). The advisory is shared for download at justsystem.co.jp. This vulnerability is handled as CVE-2006-4326 since 08/23/2006. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

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 (28484), Zero-Day.cz (118), SecurityFocus (BID 19550†), OSVDB (28026†) and Secunia (SA21552†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

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: 7.3

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

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Highly functional

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Zero-Day.cz: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/27/2006 🔍
07/27/2006 +0 days 🔍
08/21/2006 +25 days 🔍
08/21/2006 +0 days 🔍
08/23/2006 +2 days 🔍
08/23/2006 +0 days 🔍
08/23/2006 +0 days 🔍
08/23/2006 +0 days 🔍
03/12/2015 +3123 days 🔍
07/21/2024 +3419 days 🔍

Sourcesinfo

Advisory: justsystem.co.jp
Status: Not defined
Confirmation: 🔍

CVE: CVE-2006-4326 (🔍)
GCVE (CVE): GCVE-0-2006-4326
GCVE (VulDB): GCVE-100-31940
X-Force: 28484
SecurityFocus: 19550 - Ichitaro Unicode Stack Stack Buffer Overflow Vulnerability
Secunia: 21552 - Ichitaro Document Viewer Buffer Overflow Vulnerability, Extremely Critical
OSVDB: 28026 - Ichitaro - Unicode Stack - Stack Buffer Overflow Issue
Vulnerability Center: 12570 - Ichitaro Stack-Based Overflow via Malformed Unicode String, Medium
Vupen: ADV-2006-3332

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

Entryinfo

Created: 03/12/2015 03:51 PM
Updated: 07/21/2024 11:08 PM
Changes: 03/12/2015 03:51 PM (63), 06/24/2019 03:32 PM (3), 07/21/2024 11:08 PM (24)
Complete: 🔍
Cache ID: 18:80E:40

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