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CVE-2018-12893

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是英国剑桥大学开发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 4.10.x及之前版本（32位系统）中存在安全漏洞。攻击者可利用该漏洞造成Xen崩溃，导致拒绝服务。

AI Predicted 7.8 Difficulty: Easy EPSS 0.41% · P34
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I. Basic Information for CVE-2018-12893

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 4.10.x. One of the fixes in XSA-260 added some safety checks to help prevent Xen livelocking with debug exceptions. Unfortunately, due to an oversight, at least one of these safety checks can be triggered by a guest. A malicious PV guest can crash Xen, leading to a Denial of Service. All Xen systems which have applied the XSA-260 fix are vulnerable. Only x86 systems are vulnerable. ARM systems are not vulnerable. Only x86 PV guests can exploit the vulnerability. x86 HVM and PVH guests cannot exploit the vulnerability. An attacker needs to be able to control hardware debugging facilities to exploit the vulnerability, but such permissions are typically available to unprivileged users.
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是英国剑桥大学开发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 4.10.x及之前版本（32位系统）中存在安全漏洞。攻击者可利用该漏洞造成Xen崩溃，导致拒绝服务。
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 -

II. Public POCs for CVE-2018-12893

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III. Intelligence Information for CVE-2018-12893

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Vendor Advisories for CVE-2018-12893 (5)

Mailing List Discussions for CVE-2018-12893 (2)

Other References for CVE-2018-12893 (2)

Same Patch Batch · n/a · 2018-07-02 · 48 CVEs total

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CVE-2018-12499 Motorola MBP853 安全漏洞
CVE-2018-12528 Intex N150设备安全漏洞
CVE-2018-10075 ZOHO ManageEngine EventLog Analyzer 跨站脚本漏洞
CVE-2018-9276 Paessler PRTG Network Monitor 操作系统命令注入漏洞
CVE-2018-13067 OpenCart 跨站请求伪造漏洞
CVE-2018-13066 libming 安全漏洞
CVE-2018-12896 Linux kernel 数字错误漏洞
CVE-2018-12892 Xen 安全漏洞
CVE-2018-12891 Xen 安全漏洞
CVE-2018-12426 WordPress WP Live Chat Support Pro插件安全漏洞
CVE-2018-13092 Reimburse Token 数字错误漏洞

Showing top 20 of 48 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

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