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CVE-2019-3461

Quick assessment

Affected
Debian GNU/Linux tmpreaper
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.

tmpreaper是一款用于清理过期文件的软件包。 tmpreaper中存在竞争条件漏洞。本地攻击者可利用该漏洞提升权限。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.25% · P15

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2019-3461

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Debian tmpreaper version 1.6.13+nmu1 has a race condition when doing a (bind) mount via rename() which could result in local privilege escalation. Mounting via rename() could potentially lead to a file being placed elsewhereon the filesystem hierarchy (e.g. /etc/cron.d/) if the directory being cleaned up was on the same physical filesystem. Fixed versions include 1.6.13+nmu1+deb9u1 and 1.6.14.
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
tmpreaper 竞争条件问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
tmpreaper是一款用于清理过期文件的软件包。 tmpreaper中存在竞争条件漏洞。本地攻击者可利用该漏洞提升权限。
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
Debian GNU/Linux tmpreaper 1.6.13+nmu1 -

II. Public POCs for CVE-2019-3461

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III. Intelligence Information for CVE-2019-3461

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Vendor Advisories for CVE-2019-3461 (1)

Mailing List Discussions for CVE-2019-3461 (1)

IV. Related Vulnerabilities

Same vendor: Debian GNU/Linux

V. Comments for CVE-2019-3461

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