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Oracle Solaris 11: CVE-2019-6111: Vulnerability in OpenSSH, RCP

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Oracle Solaris 11: CVE-2019-6111: Vulnerability in OpenSSH, RCP

Severity
6
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:P)
Published
01/31/2019
Created
04/22/2019
Added
03/20/2019
Modified
02/17/2022

Description

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).

Solution(s)

  • oracle-solaris-11-4-upgrade-consolidation-osnet-osnet-incorporation-11-4-11-4-7-0-1-5-0
  • oracle-solaris-11-4-upgrade-network-ssh-7-7-0-1-11-4-7-0-1-3-0

References

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