CVE-2021-36781— parsec: dangerous 777 permissions for /run/parsec
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 Tumbleweed是openSUSE项目的一个开源系统。 openSUSE Tumbleweed存在安全漏洞，该漏洞源于openSUSE Tumbleweed Factory的parsec包设置了错误的默认权限，允许本地攻击者进行拒绝服务攻击或仿冒客户端与服务对话的服务。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1548 · Abuse Elevation Control Mechanism
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I. Basic Information for CVE-2021-36781
Vulnerability Information
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Vulnerability Title
parsec: dangerous 777 permissions for /run/parsec
Source: CVE Program / CVE List V5
Vulnerability Description
A Incorrect Default Permissions vulnerability in the parsec package of openSUSE Factory allows local attackers to imitate the service leading to DoS or clients talking to an imposter service. This issue affects: openSUSE Factory parsec versions prior to 0.8.1-1.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
缺省权限不正确
Source: CVE Program / CVE List V5
Vulnerability Title
openSUSE Tumbleweed 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
openSUSE Tumbleweed是openSUSE项目的一个开源系统。 openSUSE Tumbleweed存在安全漏洞，该漏洞源于openSUSE Tumbleweed Factory的parsec包设置了错误的默认权限，允许本地攻击者进行拒绝服务攻击或仿冒客户端与服务对话的服务。
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
II. Public POCs for CVE-2021-36781
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-36781 (1)
-
https://bugzilla.suse.com/show_bug.cgi?id=1193484 x_refsource_CONFIRM
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V. Comments for CVE-2021-36781
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