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CVE-2021-26623— Bandisoft ARK Library Out-of-bound Vulnerability

Quick assessment

Affected
Bandisoft International Inc. Bandizip
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Bandisoft ARK library是韩国Bandisoft公司的一个解压Windows、macOS、Linux等各种OS环境中现有的ZIP、RAR、ALZ、EGG等大多数压缩格式的库，并创建ZIP/7Z格式的压缩文件。 Bandisoft ARK library存在安全漏洞，该漏洞源于“xheader_decode_path_record”函数的参数长度值检查不完整，导致远程代码执行漏洞。远程攻击者利用该漏洞攻击恶意代码。

CVSS 7.8 · High EPSS 1.13% · P65

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-26623

Vulnerability Information
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Vulnerability Title
Bandisoft ARK Library Out-of-bound Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A remote code execution vulnerability due to incomplete check for 'xheader_decode_path_record' function's parameter length value in the ark library. Remote attackers can induce exploit malicious code using this function.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Bandisoft ARK library缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Bandisoft ARK library是韩国Bandisoft公司的一个解压Windows、macOS、Linux等各种OS环境中现有的ZIP、RAR、ALZ、EGG等大多数压缩格式的库，并创建ZIP/7Z格式的压缩文件。 Bandisoft ARK library存在安全漏洞，该漏洞源于“xheader_decode_path_record”函数的参数长度值检查不完整，导致远程代码执行漏洞。远程攻击者利用该漏洞攻击恶意代码。
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
Bandisoft International Inc. Bandizip unspecified ~ 7.19 -

II. Public POCs for CVE-2021-26623

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III. Intelligence Information for CVE-2021-26623

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IV. Related Vulnerabilities

Same product: Bandizip
Same vendor: Bandisoft International Inc.
Same weakness: CWE-125

V. Comments for CVE-2021-26623

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