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CVE-2017-7549

Quick assessment

Affected
Red Hat, Inc. instack-undercloud
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.

Red Hat OpenStack Platform是美国红帽（Red Hat）公司的一个云计算管理平台。 Red Hat OpenStack Platform 存在后置链接漏洞。本地攻击者可利用该漏洞实施符号链接攻击，覆盖任意文件内容。

AI Predicted 5.5 Difficulty: Easy EPSS 0.35% · P29

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2017-7549

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in instack-undercloud 7.2.0 as packaged in Red Hat OpenStack Platform Pike, 6.1.0 as packaged in Red Hat OpenStack Platform Oacta, 5.3.0 as packaged in Red Hat OpenStack Newton, where pre-install and security policy scripts used insecure temporary files. A local user could exploit this flaw to conduct a symbolic-link attack, allowing them to overwrite the contents of arbitrary files.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
不安全的临时文件
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat OpenStack Platform 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat OpenStack Platform是美国红帽（Red Hat）公司的一个云计算管理平台。 Red Hat OpenStack Platform 存在后置链接漏洞。本地攻击者可利用该漏洞实施符号链接攻击，覆盖任意文件内容。
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, Inc. instack-undercloud Pike, 12: v7.2.0, Ocata, 11: v6.1.0, Newton, 10: v5.3.0 -

II. Public POCs for CVE-2017-7549

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III. Intelligence Information for CVE-2017-7549

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Vendor Advisories for CVE-2017-7549 (7)

Same Patch Batch · Red Hat, Inc. · 2017-09-21 · 3 CVEs total

CVE-2017-12170 Fedora pure-ftpd 配置错误漏洞
CVE-2017-7544 libexif 安全漏洞

IV. Related Vulnerabilities

Same vendor: Red Hat, Inc.
Same weakness: CWE-377