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CVE-2019-6111
NixOS vulnerability analysis and mitigation

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).


SourceNVD

Related NixOS vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-91782LOW1.9
  • NixOS logoNixOS
  • binutils
NoNoSep 15, 2026
CVE-2026-91781LOW1.9
  • NixOS logoNixOS
  • binutils
NoYesSep 15, 2026
CVE-2026-91780LOW1.9
  • NixOS logoNixOS
  • binutils
NoNoSep 15, 2026
CVE-2026-91779LOW1.9
  • NixOS logoNixOS
  • binutils
NoNoSep 15, 2026
CVE-2026-90831LOW1.9
  • NixOS logoNixOS
  • gcc-toolset-15-binutils-devel
NoYesSep 14, 2026

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