CVE-2025-32803— Insecure file permissions can result in confidential information leakage
Quick assessment
Affected
ISC Kea
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.
ISC Kea是ISC组织的一个现代开源 DHCPv4 和 DHCPv6 服务器。 ISC Kea 2.4.0至2.4.1版本、2.6.0至2.6.2版本和2.7.0至2.7.8版本存在安全漏洞，该漏洞源于日志文件或租约文件可能全局可读，可能导致信息泄露。
Possible ATT&CK Techniques 1 AI
T1005 · Data from Local System
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I. Basic Information for CVE-2025-32803
Vulnerability Information
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Vulnerability Title
Insecure file permissions can result in confidential information leakage
Source: CVE Program / CVE List V5
Vulnerability Description
In some cases, Kea log files or lease files may be world-readable.
This issue affects Kea versions 2.4.0 through 2.4.1, 2.6.0 through 2.6.2, and 2.7.0 through 2.7.8.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
缺省权限不正确
Source: CVE Program / CVE List V5
Vulnerability Title
ISC Kea 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ISC Kea是ISC组织的一个现代开源 DHCPv4 和 DHCPv6 服务器。 ISC Kea 2.4.0至2.4.1版本、2.6.0至2.6.2版本和2.7.0至2.7.8版本存在安全漏洞，该漏洞源于日志文件或租约文件可能全局可读，可能导致信息泄露。
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
II. Public POCs for CVE-2025-32803
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2025-32803 (1)
Same Patch Batch · ISC · 2025-05-28 · 3 CVEs total
| CVE-2025-32801 | 7.8 HIGH | Loading a malicious hook library can lead to local privilege escalation |
| CVE-2025-32802 | 6.1 MEDIUM | Insecure handling of file paths allows multiple local attacks |
IV. Related Vulnerabilities
Same product: Kea
-
CVE-2026-3608
Stack overflow in Kea daemons -
CVE-2025-11232
Invalid characters cause assert -
CVE-2025-40779
Kea crash upon interaction between specific client options a -
CVE-2025-32802
Insecure handling of file paths allows multiple local attack -
CVE-2025-32801
Loading a malicious hook library can lead to local privilege
Same vendor: ISC
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CVE-2026-77119
NSEC3 insecure-referral proof can use unrelated cached NSEC3 -
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Message parser retains every identical singleton RDATA, enab -
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Resource Exhaustion via Excessive DNSSEC Cryptographic Mater -
CVE-2026-19033
Unauthenticated IXFR deltas are applied to the live zone bef -
CVE-2026-80274
Validating resolver can abort while caching a mismatched NOQ
Same weakness: CWE-276
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CVE-2026-100718
Froxlor before 2.3.12 Authentication Bypass via EmailSender. -
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Multiple Vulnerabilities in IBM Concert Software -
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Dell Integration Suite 6.7.2权限缺陷 -
CVE-2026-82163
Dell vPro 4.7.2前默认权限不当致信息泄露 -
CVE-2026-92252
Incorrect Default Permissions in WatchDog Anti-Virus Install
V. Comments for CVE-2025-32803
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