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CVE-2020-1733

Quick assessment

Affected
Red Hat Ansible
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.

Ansible是美国Ansible公司的一款计算机系统配置管理器。该产品可用于发布、管理和编排计算机系统。Ansible Engine是其中的一个Ansible引擎。 Ansible Engine 2.7.17及之前版本、2.8.9及之前版本和2.9.6及之前版本中存在安全漏洞。攻击者可利用该漏洞控制用户账户。

CVSS 5.0 · Medium EPSS 0.40% · P32
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I. Basic Information for CVE-2020-1733

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A race condition flaw was found in Ansible Engine 2.7.17 and prior, 2.8.9 and prior, 2.9.6 and prior when running a playbook with an unprivileged become user. When Ansible needs to run a module with become user, the temporary directory is created in /var/tmp. This directory is created with "umask 77 && mkdir -p <dir>"; this operation does not fail if the directory already exists and is owned by another user. An attacker could take advantage to gain control of the become user as the target directory can be retrieved by iterating '/proc/<pid>/cmdline'.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不安全的临时文件
Source: CVE Program / CVE List V5
Vulnerability Title
Ansible 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ansible是美国Ansible公司的一款计算机系统配置管理器。该产品可用于发布、管理和编排计算机系统。Ansible Engine是其中的一个Ansible引擎。 Ansible Engine 2.7.17及之前版本、2.8.9及之前版本和2.9.6及之前版本中存在安全漏洞。攻击者可利用该漏洞控制用户账户。
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
Red Hat Ansible 2.7.17 and prior -

II. Public POCs for CVE-2020-1733

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III. Intelligence Information for CVE-2020-1733

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Vendor Advisories for CVE-2020-1733 (2)

Mailing List Discussions for CVE-2020-1733 (4)

Other References for CVE-2020-1733 (1)

IV. Related Vulnerabilities

Same product: Ansible
Same vendor: Red Hat
Same weakness: CWE-377

V. Comments for CVE-2020-1733

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