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CVE-2023-40481— 7-Zip SquashFS File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

Quick assessment

Affected
7-Zip 7-Zip
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

7-Zip是一个压缩软件。 7-Zip 22.01 版本存在安全漏洞，该漏洞源于存在文件解析越界写入远程代码执行漏洞，从而导致远程攻击者可以执行任意代码。

AI Predicted 8.8 Difficulty: Hard EPSS 13.95% · P96

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-40481

Vulnerability Information
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Vulnerability Title
7-Zip SquashFS File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
7-Zip SquashFS File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. 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 SQFS 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-18589.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
7-Zip 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
7-Zip是一个压缩软件。 7-Zip 22.01 版本存在安全漏洞，该漏洞源于存在文件解析越界写入远程代码执行漏洞，从而导致远程攻击者可以执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
7-Zip 7-Zip 22.01 -

II. Public POCs for CVE-2023-40481

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III. Intelligence Information for CVE-2023-40481

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Vendor Advisories for CVE-2023-40481 (1)

Other References for CVE-2023-40481 (1)

IV. Related Vulnerabilities

Same product: 7-Zip
Same vendor: 7-Zip
Same weakness: CWE-787

V. Comments for CVE-2023-40481

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