CVE-2020-27821
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I. Basic Information for CVE-2020-27821
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A guest user may abuse this flaw to crash the QEMU process on the host, resulting in a denial of service. This flaw affects QEMU versions prior to 5.2.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存写
Source: NVD (National Vulnerability Database)
Vulnerability Title
QEMU 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）个人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 存在缓冲区错误漏洞，该漏洞源于 hw/pci/msix.c的msix_table_mmio_write()堆缓冲区溢出。
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 |
|---|---|---|---|---|
| - | QEMU | prior to 5.2.0 | - |
II. Public POCs for CVE-2020-27821
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://bugzilla.redhat.com/show_bug.cgi?id=1902651x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2020-27821
Same Patch Batch · n/a · 2020-12-08 · 45 CVEs total
| CVE-2020-25677 | Red Hat ceph-ansible 安全漏洞 | |
| CVE-2020-25674 | ImageMagick Studio ImageMagick 安全漏洞 | |
| CVE-2020-25666 | ImageMagick Studio ImageMagick 输入验证错误漏洞 | |
| CVE-2020-25675 | ImageMagick Studio ImageMagick和Sanitize 输入验证错误漏洞 | |
| CVE-2020-27751 | ImageMagick Studio ImageMagick 输入验证错误漏洞 | |
| CVE-2020-27754 | ImageMagick Studio ImageMagick 输入验证错误漏洞 | |
| CVE-2020-27756 | ImageMagick Studio ImageMagick 输入验证错误漏洞 | |
| CVE-2020-27757 | ImageMagick Studio ImageMagick 输入验证错误漏洞 | |
| CVE-2020-27758 | ImageMagick Studio ImageMagick 输入验证错误漏洞 | |
| CVE-2020-27750 | Imagemagick Studio ImageMagick 数字错误漏洞 | |
| CVE-2020-25665 | ImageMagick Studio ImageMagick 缓冲区错误漏洞 | |
| CVE-2020-27818 | Libpng Pngcheck 缓冲区错误漏洞 | |
| CVE-2020-25692 | OpenLDAP 代码问题漏洞 | |
| CVE-2020-27822 | Red Hat Wildfly 安全漏洞 | |
| CVE-2020-25631 | Moodle 安全漏洞 | |
| CVE-2020-25630 | Moodle 资源管理错误漏洞 | |
| CVE-2020-25629 | Moodle 访问控制错误漏洞 | |
| CVE-2020-25628 | Moodle 跨站脚本漏洞 | |
| CVE-2020-29540 | Systran Pure Neural Server 资源管理错误漏洞 | |
| CVE-2020-29539 | Systran Pure Neural Server 跨站脚本漏洞 |
Showing top 20 of 45 CVEs. View all on vendor page → →
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