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CVE-2011-2527

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.

QEMU（又名Quick Emulator）是法国程序员法布里斯-贝拉（Fabrice Bellard）所研发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 0.14.0和之前版本中的os-posix.c内的change_process_uid函数中存在本地安全绕过漏洞。攻击者可借助-runas参数绕过安全限制并获得某些文件的读/写访问，这些文件不具有充分的许可权限。

AI Predicted 7.8 Difficulty: Easy EPSS 0.44% · P37

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2011-2527

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The change_process_uid function in os-posix.c in Qemu 0.14.0 and earlier does not properly drop group privileges when the -runas option is used, which allows local guest users to access restricted files on the host.
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
QEMU '-runas'参数本地安全绕过漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QEMU（又名Quick Emulator）是法国程序员法布里斯-贝拉（Fabrice Bellard）所研发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 0.14.0和之前版本中的os-posix.c内的change_process_uid函数中存在本地安全绕过漏洞。攻击者可借助-runas参数绕过安全限制并获得某些文件的读/写访问，这些文件不具有充分的许可权限。
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-2011-2527

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III. Intelligence Information for CVE-2011-2527

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Vendor Advisories for CVE-2011-2527 (11)

Mailing List Discussions for CVE-2011-2527 (4)

Other References for CVE-2011-2527 (1)

Same Patch Batch · n/a · 2012-06-21 · 37 CVEs total

CVE-2011-4599 Unicode 缓冲区错误漏洞
CVE-2012-2127 Linux kernel ‘fs/proc/root.c’拒绝服务漏洞
CVE-2012-3791 Simple Web Content Management System SQL注入漏洞
CVE-2011-0011 qemu-kvm 安全漏洞
CVE-2011-1750 Qemu-Kvm 缓冲区错误漏洞
CVE-2011-1751 Qemu-Kvm 输入验证错误漏洞
CVE-2011-2212 Qemu-Kvm 缓冲区错误漏洞
CVE-2011-2512 QEMU KVM 'virtio_queue_notify()'函数本地权限提升漏洞
CVE-2011-2709 libgssapi/libgssglue 'GSSAPI_MECH_CONF'环境变量本地权限提升漏洞
CVE-2012-0028 Linux Kernel 'exec()' 本地拒绝服务漏洞
CVE-2012-0219 Socat ‘xioscan_readline()’函数缓冲区溢出漏洞
CVE-2012-1149 Apache OpenOffice 数字错误漏洞
CVE-2012-1616 ICCLIB 资源管理错误漏洞
CVE-2012-2149 Apache OpenOffice 数字错误漏洞
CVE-2012-2389 hostapd 权限许可和访问控制漏洞
CVE-2012-2654 OpenStack Compute (Nova)输入验证漏洞
CVE-2012-2716 Drupal ‘Comment Moderation’ 模块跨站请求伪造漏洞
CVE-2012-2718 Drupal ‘Counter’ 模块SQL注入漏洞
CVE-2011-1080 Linux kernel‘do_replace’函数信息泄露漏洞
CVE-2010-4648 Linux kernel‘orinoco_ioctl_set_auth’函数安全漏洞

Showing top 20 of 37 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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

V. Comments for CVE-2011-2527

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