VULNERABILITY

OpenSSH software upgraded to resolve multiple vulnerabilities

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OpenSSH software upgraded to resolve multiple vulnerabilities

Severity
6
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:P)
Published
06/17/2020
Created
06/17/2020
Added
06/17/2020
Modified
11/27/2024

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)

  • palo-alto-networks-pan-os-upgrade-7-1
  • palo-alto-networks-pan-os-upgrade-8-0
  • palo-alto-networks-pan-os-upgrade-8-1
  • palo-alto-networks-pan-os-upgrade-9-0

References

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