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CVE-2017-12164

Quick assessment

Affected
GNOME gdm
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.

GDM（GNOME Display Manager，GNOME显示管理器）是GNOME项目组所研发的一种GNOME显示环境的管理器，也是一个图形化登录程序。 GDM 3.24.1版本中存在安全漏洞。攻击者可通过选择‘以其他用户身份登录’利用该漏洞解锁屏幕。

AI Predicted 7.5 Difficulty: Trivial EPSS 0.39% · P31

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2017-12164

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was discovered in gdm 3.24.1 where gdm greeter was no longer setting the ran_once boolean during autologin. If autologin was enabled for a victim, an attacker could simply select 'login as another user' to unlock their screen.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-592
Source: CVE Program / CVE List V5
Vulnerability Title
GDM 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GDM（GNOME Display Manager，GNOME显示管理器）是GNOME项目组所研发的一种GNOME显示环境的管理器，也是一个图形化登录程序。 GDM 3.24.1版本中存在安全漏洞。攻击者可通过选择‘以其他用户身份登录’利用该漏洞解锁屏幕。
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
GNOME gdm 3.24.1 -

II. Public POCs for CVE-2017-12164

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III. Intelligence Information for CVE-2017-12164

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Vendor Advisories for CVE-2017-12164 (1)

Other References for CVE-2017-12164 (1)

IV. Related Vulnerabilities

Same product: gdm
Same vendor: GNOME
Same weakness: CWE-592

V. Comments for CVE-2017-12164

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