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CVE-2023-45685— Arbitrary file write via "zip slip" in Titan MFT and Titan SFTP servers

Quick assessment

Affected
South River Technologies Titan MFT
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.

South River Technologies TitanFTP NextGen（South River Technologies Titan FTP NextGen）是美国South River Technologies公司的一款本机支持集群以实现高可用性和故障转移的 SFTP/FTP 服务器。 South River Technologies TitanFTP NextGen存在安全漏洞，该漏洞源于提取 zip 存档时，对路径的验证不充分。攻击者利用该漏洞通过路径遍历将文件写入文件系统上的任何位置。

AI Predicted 8.1 Difficulty: Moderate EPSS 1.41% · P72

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2023-45685

Vulnerability Information
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Vulnerability Title
Arbitrary file write via "zip slip" in Titan MFT and Titan SFTP servers
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient path validation when extracting a zip archive in South River Technologies' Titan MFT and Titan SFTP servers on Windows and Linux allows an authenticated attacker to write a file to any location on the filesystem via path traversal
Source: CVE Program / CVE List V5
CVSS Information
N/A
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
South River Technologies TitanFTP NextGen 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
South River Technologies TitanFTP NextGen（South River Technologies Titan FTP NextGen）是美国South River Technologies公司的一款本机支持集群以实现高可用性和故障转移的 SFTP/FTP 服务器。 South River Technologies TitanFTP NextGen存在安全漏洞，该漏洞源于提取 zip 存档时，对路径的验证不充分。攻击者利用该漏洞通过路径遍历将文件写入文件系统上的任何位置。
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
South River Technologies Titan MFT 0 ~ 2.0.17.2298 -
South River Technologies Titan SFTP 0 ~ 2.0.17.2298 -

II. Public POCs for CVE-2023-45685

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III. Intelligence Information for CVE-2023-45685

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Security Blog Posts for CVE-2023-45685 (1)

Other References for CVE-2023-45685 (1)

Same Patch Batch · South River Technologies · 2023-10-16 · 6 CVEs total

CVE-2023-45690 Information leak via default file permissions on Titan MFT and Titan SFTP servers
CVE-2023-45689 Arbitrary file read via path traversal in Titan MFT and Titan SFTP servers
CVE-2023-45688 Information leak via path traversal in Titan MFT and Titan SFTP servers
CVE-2023-45687 Authentication bypass via session fixation in Titan MFT and Titan SFTP servers
CVE-2023-45686 Arbitrary file write via WebDAV path traversal in Titan MFT and Titan SFTP servers

IV. Related Vulnerabilities

Same product: Titan MFT
Same vendor: South River Technologies
Same weakness: CWE-22

V. Comments for CVE-2023-45685

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