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CVE-2023-0593— Path traversal in yaffshiv

Quick assessment

Affected
devttys0 yaffshiv
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.

yaffshiv是devttys0个人开发者的一个简单的 YAFFS 文件系统解析器和提取器。 yaffshiv 存在安全漏洞。攻击者利用该漏洞通过制作恶意YAFFS文件，从而在提取目录之外写入任意文件。

CVSS 5.5 · Medium EPSS 0.35% · P28

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2023-0593

Vulnerability Information
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Vulnerability Title
Path traversal in yaffshiv
Source: CVE Program / CVE List V5
Vulnerability Description
A path traversal vulnerability affects yaffshiv YAFFS filesystem extractor. By crafting a malicious YAFFS file, an attacker could force yaffshiv to write outside of the extraction directory. This issue affects yaffshiv up to version 0.1 included, which is the most recent at time of publication.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
yaffshiv 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
yaffshiv是devttys0个人开发者的一个简单的 YAFFS 文件系统解析器和提取器。 yaffshiv 存在安全漏洞。攻击者利用该漏洞通过制作恶意YAFFS文件，从而在提取目录之外写入任意文件。
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
devttys0 yaffshiv 0 ~ 0.1 -

II. Public POCs for CVE-2023-0593

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III. Intelligence Information for CVE-2023-0593

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Patches & Fixes for CVE-2023-0593 (1)

Security Blog Posts for CVE-2023-0593 (1)

IV. Related Vulnerabilities

Same weakness: CWE-22

V. Comments for CVE-2023-0593

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