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CVE-2021-35938

Quick assessment

Affected
n/a RPM
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.

rpm是一个强大的命令行驱动的软件包管理工具，用来安装、卸载、校验、查询和更新 Linux 系统上的软件包。 rpm 存在安全漏洞，该漏洞源于当rpm在安装文件后设置所需的权限和凭据时，就会出现符号链接问题。攻击者可利用该漏洞威胁数据机密性和完整性以及系统可用性。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.52% · P42
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I. Basic Information for CVE-2021-35938

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A symbolic link issue was found in rpm. It occurs when rpm sets the desired permissions and credentials after installing a file. A local unprivileged user could use this flaw to exchange the original file with a symbolic link to a security-critical file and escalate their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
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
rpm 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
rpm是一个强大的命令行驱动的软件包管理工具，用来安装、卸载、校验、查询和更新 Linux 系统上的软件包。 rpm 存在安全漏洞，该漏洞源于当rpm在安装文件后设置所需的权限和凭据时，就会出现符号链接问题。攻击者可利用该漏洞威胁数据机密性和完整性以及系统可用性。
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
- RPM Fixed in rpm v4.18.0 -

II. Public POCs for CVE-2021-35938

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III. Intelligence Information for CVE-2021-35938

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Patches & Fixes for CVE-2021-35938 (2)

Vendor Advisories for CVE-2021-35938 (4)

Other References for CVE-2021-35938 (1)

Same Patch Batch · n/a · 2022-08-25 · 214 CVEs total

CVE-2022-37317 7.6 HIGH Archer Platform 跨站脚本漏洞
CVE-2022-37318 7.0 HIGH Archer Platform 跨站脚本漏洞
CVE-2022-37316 6.5 MEDIUM Archer Platform 安全漏洞
CVE-2022-37240 Alt-N MDaemon 注入漏洞
CVE-2022-37817 Tenda AX1803 缓冲区错误漏洞
CVE-2022-37824 Tenda AX1803 缓冲区错误漏洞
CVE-2022-37814 Tenda AC1206 缓冲区错误漏洞
CVE-2022-37820 Tenda AX1803 缓冲区错误漏洞
CVE-2022-37816 Tenda AC1206 缓冲区错误漏洞
CVE-2022-37822 Tenda AX1803 缓冲区错误漏洞
CVE-2022-37245 Alt-N MDaemon 跨站脚本漏洞
CVE-2022-37244 Alt-N MDaemon 跨站脚本漏洞
CVE-2022-37243 Alt-N MDaemon 跨站脚本漏洞
CVE-2022-37242 Alt-N MDaemon 注入漏洞
CVE-2022-37241 Alt-N MDaemon 跨站脚本漏洞
CVE-2022-2255 mod_wsgi 数据伪造问题漏洞
CVE-2022-37160 Claroline 跨站脚本漏洞
CVE-2022-2991 Linux kernel 缓冲区错误漏洞
CVE-2022-23235 Netapp Active IQ Unified Manager 信息泄露漏洞
CVE-2022-37159 Claroline 代码问题漏洞

Showing top 20 of 214 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: RPM
Same vendor: n/a
Same weakness: CWE-59

V. Comments for CVE-2021-35938

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