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CVE-2019-3463

Quick assessment

Affected
Debian GNU/Linux rssh
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

rssh是一款使用在Linux中的Shell。该产品能够为特定用户提供通过scp和sftp登陆某系统的权限。 rssh中存在安全漏洞，该漏洞源于程序没有充分地过滤传递到rsync的参数。攻击者可利用该漏洞绕过限制，执行任意的shell命令。

AI Predicted 8.1 Difficulty: Easy EPSS 4.87% · P92
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I. Basic Information for CVE-2019-3463

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient sanitization of arguments passed to rsync can bypass the restrictions imposed by rssh, a restricted shell that should restrict users to perform only rsync operations, resulting in the execution of arbitrary shell commands.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
rssh 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
rssh是一款使用在Linux中的Shell。该产品能够为特定用户提供通过scp和sftp登陆某系统的权限。 rssh中存在安全漏洞，该漏洞源于程序没有充分地过滤传递到rsync的参数。攻击者可利用该漏洞绕过限制，执行任意的shell命令。
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
Debian GNU/Linux rssh All versions before 2.3.4-5+deb9u2 and 2.3.4-10 -

II. Public POCs for CVE-2019-3463

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III. Intelligence Information for CVE-2019-3463

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Vendor Advisories for CVE-2019-3463 (4)

Mailing List Discussions for CVE-2019-3463 (5)

Other References for CVE-2019-3463 (1)

IV. Related Vulnerabilities

Same product: rssh
Same vendor: Debian GNU/Linux

V. Comments for CVE-2019-3463

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