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CVE-2018-10897

Quick assessment

Affected
The RPM Project yum-utils:
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Yum是美国杜克大学（Duke University）团队开发的一款基于RPM包管理的Shell字符前端软件包管理器，它支持从指定的服务器自动下载RPM包并且安装，以及处理依赖性关系。 yum-utils 1.1.31版本及之前版本中存在后置链接漏洞，该漏洞源于无法清理远程存储库配置文件中的路径。攻击者可利用该漏洞将文件复制到目标目录之外的目录下或覆盖重要的系统文件。

AI Predicted 6.5 Difficulty: Moderate EPSS 5.71% · P92
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I. Basic Information for CVE-2018-10897

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A directory traversal issue was found in reposync, a part of yum-utils, where reposync fails to sanitize paths in remote repository configuration files. If an attacker controls a repository, they may be able to copy files outside of the destination directory on the targeted system via path traversal. If reposync is running with heightened privileges on a targeted system, this flaw could potentially result in system compromise via the overwriting of critical system files. Version 1.1.31 and older are believed to be affected.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5
Vulnerability Title
yum-utils 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Yum是美国杜克大学（Duke University）团队开发的一款基于RPM包管理的Shell字符前端软件包管理器，它支持从指定的服务器自动下载RPM包并且安装，以及处理依赖性关系。 yum-utils 1.1.31版本及之前版本中存在后置链接漏洞，该漏洞源于无法清理远程存储库配置文件中的路径。攻击者可利用该漏洞将文件复制到目标目录之外的目录下或覆盖重要的系统文件。
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
The RPM Project yum-utils: 1.1.31 -

II. Public POCs for CVE-2018-10897

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III. Intelligence Information for CVE-2018-10897

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Patches & Fixes for CVE-2018-10897 (3)

Vendor Advisories for CVE-2018-10897 (5)

IV. Related Vulnerabilities

Same weakness: CWE-59

V. Comments for CVE-2018-10897

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