Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2019-6111

An issue was discovered in OpenSSH 7.9. Due to the scp implementation being derived from 1983 rcp, the server chooses which files/directories are sent to the client. However, the scp client only performs cursory validation of the object name returned (only directory traversal attacks are prevented). A malicious scp server (or Man-in-The-Middle attacker) can overwrite arbitrary files in the scp client target directory. If recursive operation (-r) is performed, the server can manipulate subdirectories as well (for example, to overwrite the .ssh/authorized_keys file).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.596
EPSS Ranking 98.1%
CVSS Severity
CVSS v3 Score 5.9
CVSS v2 Score 5.8
References
Products affected by CVE-2019-6111


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