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CVE-2020-11742

EPSS 0.09% · P26
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I. Basic Information for CVE-2020-11742

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An issue was discovered in Xen through 4.13.x, allowing guest OS users to cause a denial of service because of bad continuation handling in GNTTABOP_copy. Grant table operations are expected to return 0 for success, and a negative number for errors. The fix for CVE-2017-12135 introduced a path through grant copy handling where success may be returned to the caller without any action taken. In particular, the status fields of individual operations are left uninitialised, and may result in errant behaviour in the caller of GNTTABOP_copy. A buggy or malicious guest can construct its grant table in such a way that, when a backend domain tries to copy a grant, it hits the incorrect exit path. This returns success to the caller without doing anything, which may cause crashes or other incorrect behaviour.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Xen 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Xen是英国剑桥大学的一款开源的虚拟机监视器产品。该产品能够使不同和不兼容的操作系统运行在同一台计算机上，并支持在运行时进行迁移，保证正常运行并且避免宕机。 Xen 4.13.x及之前版本中存在安全漏洞。攻击者可利用该漏洞造成拒绝服务。
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

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II. Public POCs for CVE-2020-11742

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III. Intelligence Information for CVE-2020-11742

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Same Patch Batch · n/a · 2020-04-14 · 32 CVEs total

CVE-2020-10382MB CONNECT LINE mymbCONNECT24和mbCONNECT24 安全漏洞
CVE-2020-11739Xen 竞争条件问题漏洞
CVE-2020-11740Xen 信息泄露漏洞
CVE-2020-11741Xen 安全漏洞
CVE-2020-11743Xen 安全漏洞
CVE-2020-5738Grandstream GXP1600 后置链接漏洞
CVE-2020-5739Grandstream GXP1600 代码注入漏洞
CVE-2020-9460Octech Oempro 跨站脚本漏洞
CVE-2020-9461Octech Oempro 跨站脚本漏洞
CVE-2020-9004Wowza Media Systems Streaming Engine 访问控制错误漏洞
CVE-2020-7958OnePlus 7 Pro 信息泄露漏洞
CVE-2019-16879Synergy Systems & Solutions HUSKY RTU 6049-E70 访问控制错误漏洞
CVE-2020-7800Synergy Systems & Solutions HUSKY RTU 6049-E70 代码问题漏洞
CVE-2020-7801Synergy Systems & Solutions HUSKY RTU 6049-E70 信息泄露漏洞
CVE-2020-7802Synergy Systems & Solutions HUSKY RTU 6049-E70 安全漏洞
CVE-2020-10381MB CONNECT LINE mymbCONNECT24和mbCONNECT24 SQL注入漏洞
CVE-2020-11758Industrial Light and Magic OpenEXR 缓冲区错误漏洞
CVE-2020-10383MB CONNECT LINE mymbCONNECT24和mbCONNECT24 安全漏洞
CVE-2020-10384MB CONNECT LINE mymbCONNECT24 安全漏洞
CVE-2019-18822ZOOM Call Recording 安全漏洞

Showing top 20 of 32 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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Same vendor: n/a

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