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CVE-2018-20106— SMB printer settings don't escape characters in passwords properly

Quick assessment

Affected
SUSE yast2-printer
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.

yast2-printer是一个打印机配置模块。 yast2-printer 4.0.2及之前版本中存在安全漏洞，该漏洞源于SMB打印机设备没有正确地转义密码中的字符。攻击者可利用该漏洞以root身份执行代码。

AI Predicted 8.5 Difficulty: Hard EPSS 1.02% · P62
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I. Basic Information for CVE-2018-20106

Vulnerability Information
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Vulnerability Title
SMB printer settings don't escape characters in passwords properly
Source: CVE Program / CVE List V5
Vulnerability Description
In yast2-printer up to and including version 4.0.2 the SMB printer settings don't escape characters in passwords properly. If a password with backticks or simliar characters is supplied this allows for executing code as root. This requires tricking root to enter such a password in yast.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
yast2-printer 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
yast2-printer是一个打印机配置模块。 yast2-printer 4.0.2及之前版本中存在安全漏洞，该漏洞源于SMB打印机设备没有正确地转义密码中的字符。攻击者可利用该漏洞以root身份执行代码。
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 yast2-printer unspecified ~ 4.0.2 -

II. Public POCs for CVE-2018-20106

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III. Intelligence Information for CVE-2018-20106

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Vendor Advisories for CVE-2018-20106 (1)

Same Patch Batch · SUSE · 2019-03-15 · 3 CVEs total

CVE-2018-17955 Static tempfile name allows overwriting of arbitrary files
CVE-2018-17956 Password exposed in process listing

IV. Related Vulnerabilities

Same vendor: SUSE
Same weakness: CWE-78

V. Comments for CVE-2018-20106

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