CVE-2020-25743
Quick assessment
Affected
n/a n/a
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.
QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）软件开发者的一套模拟处理器软件。该软件具有速度快、跨平台等特点。 QEMU ide_cancel_dma_sync() 存在代码问题漏洞，该漏洞允许攻击者强制取消对NULL指针的引用，以触发主机系统上的拒绝服务。
Possible ATT&CK Techniques 1 AI
T1211 · Exploitation for Stealth
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I. Basic Information for CVE-2020-25743
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
hw/ide/pci.c in QEMU before 5.1.1 can trigger a NULL pointer dereference because it lacks a pointer check before an ide_cancel_dma_sync call.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
QEMU 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）软件开发者的一套模拟处理器软件。该软件具有速度快、跨平台等特点。 QEMU ide_cancel_dma_sync() 存在代码问题漏洞，该漏洞允许攻击者强制取消对NULL指针的引用，以触发主机系统上的拒绝服务。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
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II. Public POCs for CVE-2020-25743
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2020-25743 (1)
-
https://bugzilla.redhat.com/show_bug.cgi?id=1881409 x_refsource_MISC
Mailing List Discussions for CVE-2020-25743 (2)
-
http://www.openwall.com/lists/oss-security/2020/09/29/1 x_refsource_CONFIRM
Other References for CVE-2020-25743 (1)
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-2020-25643 | Linux kernel 输入验证错误漏洞 | |
| CVE-2020-24215 | IPTV/H.264/H.265 video 信任管理问题漏洞 | |
| CVE-2020-26570 | OpenSC 缓冲区错误漏洞 | |
| CVE-2020-25613 | Ruby 环境问题漏洞 | |
| CVE-2020-26572 | OpenSC 缓冲区错误漏洞 | |
| CVE-2020-26571 | OpenSC 缓冲区错误漏洞 | |
| CVE-2020-25637 | Red Hat libvirt 资源管理错误漏洞 | |
| CVE-2020-24216 | IPTV/H.264/H.265 video 默认配置问题漏洞 | |
| 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-2020-24219 | IPTV H.264/H.265 video 路径遍历漏洞 | |
| 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 |
Showing top 20 of 51 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2020-25743
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