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Problem report
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Resolution: Fixed
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Critical
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3.0.30, 4.0.18, 4.4.6
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RHEL7-based/Debian-based distro's linked against libssh2.
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Sprint 62 (Mar 2020), Sprint 63 (Apr 2020), Sprint 64 (May 2020), Sprint 65 (Jun 2020), Sprint 66 (Jul 2020), Sprint 67 (Aug 2020), Sprint 68 (Sep 2020), Sprint 69 (Oct 2020)
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0.25
Steps to reproduce:
- IBM sshd configuration file provided by vendor after an upgrade for a specific hardware:
...skipped part... UseDNS yes KexAlgorithms curve25519-sha256,[email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256
Key Exchange Methods: diffie-hellman-group1-sha1, diffie-hellman-group14-sha1, diffie-hellman-group-exchange-sha1, diffie-hellman-group-exchange-sha256
Result:
error: Cannot establish SSH session: Unable to exchange encryption keys
Expected:
Provide ability to use the following Kex Algorithms:
curve25519-sha256
[email protected]
diffie-hellman-group-exchange-sha256
ecdh-sha2-nistp256
ecdh-sha2-nistp384
ecdh-sha2-nistp521
- depends on
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- Closed
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