JustSystems Ichitaro 1.0.1.57600 Document heap-based overflow

Summaryinfo

A vulnerability marked as critical has been reported in JustSystems Ichitaro 1.0.1.57600. Affected by this issue is some unknown functionality of the component Document Handler. This manipulation causes heap-based overflow. This vulnerability is handled as CVE-2023-22660. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in JustSystems Ichitaro 1.0.1.57600. It has been declared as critical. Affected by this vulnerability is an unknown code of the component Document Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A heap-based buffer overflow vulnerability exists in the way Ichitaro version 2022 1.0.1.57600 processes certain LayoutBox stream record types. A specially crafted document can cause a buffer overflow, leading to memory corruption, which can result in arbitrary code execution.To trigger this vulnerability, the victim would need to open a malicious, attacker-created document.

The weakness was released 04/06/2023. The advisory is shared at jvn.jp. This vulnerability is known as CVE-2023-22660 since 02/07/2023. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/23/2023).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• JustSystems

Name

• Ichitaro

Version

• 1.0.1.57600

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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