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CVE-2017-12173

Quick assessment

Affected
SSSD sssd
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.

SSSD是一款用于管理对远程目录和身份验证机制访问的守护进程。 SSSD 1.16.0之前版本中的‘sysdb_search_user_by_upn_res()’函数存在安全漏洞，该漏洞源于在查询本地缓存时，程序没有过滤请求。攻击者可利用该漏洞检索密码散列。

AI Predicted 4.3 Difficulty: Moderate EPSS 1.50% · P74

Possible ATT&CK Techniques 1 AI

T1552.001 · Credentials In Files
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I. Basic Information for CVE-2017-12173

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
It was found that sssd's sysdb_search_user_by_upn_res() function before 1.16.0 did not sanitize requests when querying its local cache and was vulnerable to injection. In a centralized login environment, if a password hash was locally cached for a given user, an authenticated attacker could use this flaw to retrieve it.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
SSSD 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SSSD是一款用于管理对远程目录和身份验证机制访问的守护进程。 SSSD 1.16.0之前版本中的‘sysdb_search_user_by_upn_res()’函数存在安全漏洞，该漏洞源于在查询本地缓存时，程序没有过滤请求。攻击者可利用该漏洞检索密码散列。
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
SSSD sssd 1.16.0 -

II. Public POCs for CVE-2017-12173

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III. Intelligence Information for CVE-2017-12173

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Vendor Advisories for CVE-2017-12173 (3)

IV. Related Vulnerabilities

Same product: sssd
Same vendor: SSSD
Same weakness: CWE-20

V. Comments for CVE-2017-12173

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