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CVE-2019-3464

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 2.3.4版本中存在输入验证漏洞，该漏洞源于网络系统或产品未对输入的数据进行正确的验证。

AI Predicted 9.8 Difficulty: Easy EPSS 4.70% · P92

Possible ATT&CK Techniques 1 AI

T1059.004 · Unix Shell
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I. Basic Information for CVE-2019-3464

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient sanitization of environment variables 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 2.3.4版本中存在输入验证漏洞，该漏洞源于网络系统或产品未对输入的数据进行正确的验证。
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-2019-3464

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III. Intelligence Information for CVE-2019-3464

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Vendor Advisories for CVE-2019-3464 (4)

Mailing List Discussions for CVE-2019-3464 (5)

Other References for CVE-2019-3464 (1)

IV. Related Vulnerabilities

Same product: rssh
Same vendor: Debian GNU/Linux

V. Comments for CVE-2019-3464

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