CVE-2020-25637
Quick assessment
Affected
n/a libvirt
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Red Hat libvirt是美国红帽（Red Hat）公司的一个用于实现Linux虚拟化功能的Linux API，它支持各种Hypervisor，包括Xen和KVM，以及QEMU和用于其他操作系统的一些虚拟产品。 Red Hat libvirt 资源管理错误漏洞。该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-25637
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A double free memory issue was found to occur in the libvirt API, in versions before 6.8.0, responsible for requesting information about network interfaces of a running QEMU domain. This flaw affects the polkit access control driver. Specifically, clients connecting to the read-write socket with limited ACL permissions could use this flaw to crash the libvirt daemon, resulting in a denial of service, or potentially escalate their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
双重释放
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat libvirt 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat libvirt是美国红帽（Red Hat）公司的一个用于实现Linux虚拟化功能的Linux API，它支持各种Hypervisor，包括Xen和KVM，以及QEMU和用于其他操作系统的一些虚拟产品。 Red Hat libvirt 资源管理错误漏洞。该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。
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 |
|---|---|---|---|---|
| - | libvirt | libvirt versions before 6.8.0 | - |
|
II. Public POCs for CVE-2020-25637
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | Double Free | https://github.com/brahmiboudjema/CVE-2020-25637-libvirt-double-free | POC Details |
AI-Generated POC
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Vendor Advisories for CVE-2020-25637 (2)
-
https://security.gentoo.org/glsa/202210-06 vendor-advisory
Mailing List Discussions for CVE-2020-25637 (3)
Same Patch Batch · n/a · 2020-10-06 · 51 CVEs total
| CVE-2020-7741 | 9.9 CRITICAL | Cross-site Scripting (XSS) |
| CVE-2020-7739 | 8.2 HIGH | Server-side Request Forgery (SSRF) |
| CVE-2020-7740 | 8.2 HIGH | Server-side Request Forgery (SSRF) |
| CVE-2020-8782 | 7.5 HIGH | ALEOS LAN-Side RPC Service Remote Code Execution |
| CVE-2020-24219 | IPTV H.264/H.265 video 路径遍历漏洞 | |
| CVE-2020-25643 | Linux kernel 输入验证错误漏洞 | |
| CVE-1999-0199 | GNU C Library和Library 安全漏洞 | |
| CVE-2020-26572 | OpenSC 缓冲区错误漏洞 | |
| CVE-2020-26571 | OpenSC 缓冲区错误漏洞 | |
| CVE-2020-26570 | OpenSC 缓冲区错误漏洞 | |
| CVE-2020-25613 | Ruby 环境问题漏洞 | |
| CVE-2020-24217 | IPTV H.264/H.265 video 访问控制错误漏洞 | |
| CVE-2020-24218 | IPTV H.264/H.265 video 信任管理问题漏洞 | |
| CVE-2020-24216 | IPTV/H.264/H.265 video 默认配置问题漏洞 | |
| CVE-2020-25641 | Linux kernel 安全漏洞 | |
| CVE-2020-15598 | ModSecurity 安全漏洞 | |
| CVE-2020-7465 | MPD 缓冲区错误漏洞 | |
| CVE-2020-7466 | MPD 缓冲区错误漏洞 | |
| CVE-2020-8781 | Sierra Wireless ALEOS 输入验证错误漏洞 | |
| CVE-2020-25743 | QEMU 代码问题漏洞 |
Showing top 20 of 51 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2020-25637
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