FastStone Image Viewer TGA File Parser out-of-bounds write

Summaryinfo

A vulnerability described as critical has been identified in FastStone Image Viewer. This affects an unknown part of the component TGA File Parser. The manipulation results in out-of-bounds write. This vulnerability is identified as CVE-2024-9113. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in FastStone Image Viewer (unknown version). Affected is an unknown code block of the component TGA File Parser. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

FastStone Image Viewer TGA File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FastStone Image Viewer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of TGA files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25140.

The advisory is available at zerodayinitiative.com. This vulnerability is traded as CVE-2024-9113 since 09/23/2024. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 12/19/2024).

The vulnerability scanner Nessus provides a plugin with the ID 208256 (FastStone Image Viewer <= 7.8 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment.

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 vulnerability database at Tenable (208256). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• FastStone

Name

• Image Viewer

License

• free

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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