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CVE-2019-3690— chkstat follows untrusted symbolic links

Quick assessment

Affected
SUSE permissions
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.

openSUSE是德国SUSE公司的一套基于Linux的自由操作系统与开源社区项目。 openSUSE Leap 15.1版本中存在后置链接漏洞。本地攻击者可利用该漏洞提升权限。

CVSS 6.8 · Medium EPSS 0.42% · P36
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I. Basic Information for CVE-2019-3690

Vulnerability Information
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Vulnerability Title
chkstat follows untrusted symbolic links
Source: CVE Program / CVE List V5
Vulnerability Description
The chkstat tool in the permissions package followed symlinks before commit a9e1d26cd49ef9ee0c2060c859321128a6dd4230 (please also check the additional hardenings after this fix). This allowed local attackers with control over a path that is traversed by chkstat to escalate privileges.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
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
SUSE openSUSE 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
openSUSE是德国SUSE公司的一套基于Linux的自由操作系统与开源社区项目。 openSUSE Leap 15.1版本中存在后置链接漏洞。本地攻击者可利用该漏洞提升权限。
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
SUSE permissions unspecified ~ a9e1d26cd49ef9ee0c2060c859321128a6dd4230 -

II. Public POCs for CVE-2019-3690

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III. Intelligence Information for CVE-2019-3690

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Vendor Advisories for CVE-2019-3690 (1)

Mailing List Discussions for CVE-2019-3690 (1)

IV. Related Vulnerabilities

Same vendor: SUSE
Same weakness: CWE-59

V. Comments for CVE-2019-3690

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