CVE-2020-16127— accountsservice .pam_environment infinite loop
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I. Basic Information for CVE-2020-16127
Vulnerability Information
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Vulnerability Title
accountsservice .pam_environment infinite loop
Source: NVD (National Vulnerability Database)
Vulnerability Description
An Ubuntu-specific modification to AccountsService in versions before 0.6.55-0ubuntu13.2, among other earlier versions, would perform unbounded read operations on user-controlled ~/.pam_environment files, allowing an infinite loop if /dev/zero is symlinked to this location.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Ubuntu AccountsService 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ubuntu AccountsService是个人开发者的一款用于在Linux上管理账户的软件。该软件提供对帐户的查询和操作功能，另外提供一组基于useradd、usermod等命令的API。 AccountsService pam_environment 存在输入验证错误漏洞，该漏洞可触发致命错误，进而导致触发拒绝服务。
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 |
|---|---|---|---|---|
| Freedesktop | accountsservice | 0.6.35-0ubuntu7.3 ~ 0.6.35-0ubuntu7.3+esm2 | - |
II. Public POCs for CVE-2020-16127
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IV. Related Vulnerabilities
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