CVE-2025-1945— picklescan - Zip Flag Bit Exploit Crashes Picklescan But Not PyTorch
Quick assessment
Affected
mmaitre314 picklescan
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.
picklescan是Matthieu Maitre个人开发者的一个安全扫描程序。 picklescan 0.0.23之前版本存在数据伪造问题漏洞，该漏洞源于无法检测ZIP文件头修改后的恶意pickle文件，可能导致任意代码执行。
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I. Basic Information for CVE-2025-1945
Vulnerability Information
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Vulnerability Title
picklescan - Zip Flag Bit Exploit Crashes Picklescan But Not PyTorch
Source: CVE Program / CVE List V5
Vulnerability Description
picklescan before 0.0.23 fails to detect malicious pickle files inside PyTorch model archives when certain ZIP file flag bits are modified. By flipping specific bits in the ZIP file headers, an attacker can embed malicious pickle files that remain undetected by PickleScan while still being successfully loaded by PyTorch's torch.load(). This can lead to arbitrary code execution when loading a compromised model.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:L/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
对数据真实性的验证不充分
Source: CVE Program / CVE List V5
Vulnerability Title
picklescan 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
picklescan是Matthieu Maitre个人开发者的一个安全扫描程序。 picklescan 0.0.23之前版本存在数据伪造问题漏洞，该漏洞源于无法检测ZIP文件头修改后的恶意pickle文件，可能导致任意代码执行。
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 |
|---|---|---|---|---|
| mmaitre314 | picklescan | 0.0.1 ~ 0.0.23 | - |
|
II. Public POCs for CVE-2025-1945
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2025-1945 (1)
Vendor Advisories for CVE-2025-1945 (2)
Vendor Pages for CVE-2025-1945 (1)
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Sonatype CVE Feed - CVE-2025-1945 third-party-advisory
IV. Related Vulnerabilities
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V. Comments for CVE-2025-1945
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