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CVE-2012-3432

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 3.3和4.x版本中的MMIO操作模拟器中的arch/x86/hvm/io.c中的‘handle_mmio’函数中存在漏洞。当运行HVM guest时，程序没有正确在仿真周期之间重制某些状态信息。具备本地guest系统用户权限的本地攻击者利用该漏洞通过对MMIO区域的未明操作导致拒绝服务（客户端操作系统崩溃）。

AI Predicted 5.5 Difficulty: Easy EPSS 0.64% · P50

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2012-3432

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The handle_mmio function in arch/x86/hvm/io.c in the MMIO operations emulator for Xen 3.3 and 4.x, when running an HVM guest, does not properly reset certain state information between emulation cycles, which allows local guest OS users to cause a denial of service (guest OS crash) via unspecified operations on MMIO regions.
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 HVM客户端用户模式MMIO仿真本地拒绝服务漏洞
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 3.3和4.x版本中的MMIO操作模拟器中的arch/x86/hvm/io.c中的‘handle_mmio’函数中存在漏洞。当运行HVM guest时，程序没有正确在仿真周期之间重制某些状态信息。具备本地guest系统用户权限的本地攻击者利用该漏洞通过对MMIO区域的未明操作导致拒绝服务（客户端操作系统崩溃）。
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-2012-3432

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III. Intelligence Information for CVE-2012-3432

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Vendor Advisories for CVE-2012-3432 (4)

Mailing List Discussions for CVE-2012-3432 (5)

Same Patch Batch · n/a · 2012-12-03 · 38 CVEs total

CVE-2012-5554 Webform CiviCRM Integration模块安全漏洞
CVE-2012-5544 Drupal Mandrill模块安全漏洞
CVE-2012-5545 Drupal ShareThis模块跨站脚本漏洞
CVE-2012-5547 Drupal Search API模块多个跨站请求伪造漏洞
CVE-2012-5548 Drupal Time Spent模块跨站脚本漏洞
CVE-2012-5549 Drupal Time Spent模块跨站请求伪造漏洞
CVE-2012-5550 Drupal Time Spent模块SQL注入漏洞
CVE-2012-5551 Drupal MailChimp模块在多个跨站脚本漏洞
CVE-2012-5552 Drupal Password Policy模块密码哈希值信息泄露漏洞
CVE-2012-5553 Drupal OM Maximenu模块多个跨站脚本漏洞
CVE-2012-5543 Drupal Feeds模块安全绕过漏洞
CVE-2012-5556 Drupal RESTful Web Services模块多个跨站请求伪造漏洞
CVE-2012-5557 Drupal User Read-Only模块安全漏洞
CVE-2012-5559 Drupal Chaos工具套件模块跨站脚本漏洞
CVE-2012-5569 Drupal Basic webmail模块多个跨站脚本漏洞
CVE-2012-5858 Samsung Kies Air 拒绝服务漏洞
CVE-2012-5859 Samsung Kies Air 安全绕过漏洞
CVE-2012-6064 CMS Made Simple 目录遍历漏洞
CVE-2012-6065 Drupal OM Maximenu模块任意PHP代码执行漏洞
CVE-2012-5367 OrangeHRM ‘sortField’参数SQL注入漏洞

Showing top 20 of 38 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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

V. Comments for CVE-2012-3432

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