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CVE-2019-18422

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.

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 4.12.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或获取权限。

AI Predicted 7.8 Difficulty: Theoretical EPSS 1.82% · P77
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I. Basic Information for CVE-2019-18422

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in Xen through 4.12.x allowing ARM guest OS users to cause a denial of service or gain privileges by leveraging the erroneous enabling of interrupts. Interrupts are unconditionally unmasked in exception handlers. When an exception occurs on an ARM system which is handled without changing processor level, some interrupts are unconditionally enabled during exception entry. So exceptions which occur when interrupts are masked will effectively unmask the interrupts. A malicious guest might contrive to arrange for critical Xen code to run with interrupts erroneously enabled. This could lead to data corruption, denial of service, or possibly even privilege escalation. However a precise attack technique has not been identified.
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
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 4.12.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或获取权限。
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 -

II. Public POCs for CVE-2019-18422

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III. Intelligence Information for CVE-2019-18422

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Vendor Advisories for CVE-2019-18422 (1)

Mailing List Discussions for CVE-2019-18422 (4)

Other References for CVE-2019-18422 (1)

Same Patch Batch · n/a · 2019-10-31 · 54 CVEs total

CVE-2019-5151 10.0 CRITICAL YouPHPTube SQL注入漏洞
CVE-2019-5150 8.9 HIGH YouPHPTube SQL注入漏洞
CVE-2019-18369 JetBrains YouTrack 安全漏洞
CVE-2019-18420 Xen 格式化字符串错误漏洞
CVE-2019-18360 JetBrains Hub 信息泄露漏洞
CVE-2019-18423 Xen 输入验证错误漏洞
CVE-2019-18424 Xen 操作系统命令注入漏洞
CVE-2019-18425 Xen 安全漏洞
CVE-2019-18421 Xen 竞争条件问题漏洞
CVE-2019-18367 JetBrains TeamCity 安全漏洞
CVE-2010-2490 Mumble 输入验证错误漏洞
CVE-2019-18368 JetBrains Toolbox 安全漏洞
CVE-2019-18366 JetBrains TeamCity 安全漏洞
CVE-2009-5043 burn 安全漏洞
CVE-2009-5041 OVERKILL Software overkill 缓冲区错误漏洞
CVE-2009-5042 python-docutils 安全漏洞
CVE-2019-12612 Bitdefender BOX 输入验证错误漏洞
CVE-2019-16251 WordPress YIT Plugin Framework 安全漏洞
CVE-2019-18465 Progress Software MOVEit Transfer 访问控制错误漏洞
CVE-2019-18464 Progress Software MOVEit Transfer SQL注入漏洞

Showing top 20 of 54 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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Same vendor: n/a

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