CVE-2021-25319— virtualbox: missing sticky bit for /etc/vbox allows local root exploit for members of vboxusers group
Quick assessment
Affected
openSUSE Factory
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.
openSUSE是德国SUSE公司的一套基于Linux的自由操作系统与开源社区项目。 openSUSE VirtualBox 存在安全漏洞，攻击者可利用该漏洞可以通过自动启动openSUSE VirtualBox来绕过限制，从而升级他的特权。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-25319
Vulnerability Information
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Vulnerability Title
virtualbox: missing sticky bit for /etc/vbox allows local root exploit for members of vboxusers group
Source: CVE Program / CVE List V5
Vulnerability Description
A Incorrect Default Permissions vulnerability in the packaging of virtualbox of openSUSE Factory allows local attackers in the vboxusers groupu to escalate to root. This issue affects: openSUSE Factory virtualbox version 6.1.20-1.1 and prior versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
缺省权限不正确
Source: CVE Program / CVE List V5
Vulnerability Title
SUSE openSUSE 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
openSUSE是德国SUSE公司的一套基于Linux的自由操作系统与开源社区项目。 openSUSE VirtualBox 存在安全漏洞，攻击者可利用该漏洞可以通过自动启动openSUSE VirtualBox来绕过限制，从而升级他的特权。
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
II. Public POCs for CVE-2021-25319
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Vendor Advisories for CVE-2021-25319 (1)
-
https://bugzilla.suse.com/show_bug.cgi?id=1182918 x_refsource_CONFIRM
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V. Comments for CVE-2021-25319
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