Public bug reported:
Ubuntu 16.04 - Duplicity
Following error using duplicity with SFTP backend after upgrade today on
several machines. Confirmed to be an upgrade as had a working machine,
apt upgraded it, then it was broken. Only packages I can see that were
upgraded that might be related are python-crypto
(2.6.1-6ubuntu0.16.04.1) and libssh2-1:amd64 (1.5.0-2ubuntu0.1).
IMPORTANT: Duplicity unusable in SFTP mode since the upgrade, it is not
possible to perform backups.
ssh: Unknown exception: CTR mode needs counter parameter, not IV
ssh: Traceback (most recent call last):
ssh: File "/usr/lib/python2.7/dist-packages/paramiko/transport.py", line
1744, in run
ssh: self.kex_engine.parse_next(ptype, m)
ssh: File "/usr/lib/python2.7/dist-packages/paramiko/kex_group1.py", line 75,
in parse_next
ssh: return self._parse_kexdh_reply(m)
ssh: File "/usr/lib/python2.7/dist-packages/paramiko/kex_group1.py", line
112, in _parse_kexdh_reply
ssh: self.transport._activate_outbound()
ssh: File "/usr/lib/python2.7/dist-packages/paramiko/transport.py", line
2074, in _activate_outbound
ssh: engine = self._get_cipher(self.local_cipher, key_out, IV_out)
ssh: File "/usr/lib/python2.7/dist-packages/paramiko/transport.py", line
1649, in _get_cipher
ssh: return self._cipher_info[name]['class'].new(key,
self._cipher_info[name]['mode'], iv, counter)
ssh: File "/usr/lib/python2.7/dist-packages/Crypto/Cipher/AES.py", line 94,
in new
ssh: return AESCipher(key, *args, **kwargs)
ssh: File "/usr/lib/python2.7/dist-packages/Crypto/Cipher/AES.py", line 59,
in __init__
ssh: blockalgo.BlockAlgo.__init__(self, _AES, key, *args, **kwargs)
ssh: File "/usr/lib/python2.7/dist-packages/Crypto/Cipher/blockalgo.py", line
141, in __init__
ssh: self._cipher = factory.new(key, *args, **kwargs)
ssh: ValueError: CTR mode needs counter parameter, not IV
ssh:
BackendException: ssh connection to cli-5l...@sftp.orbit.brightbox.com:22
failed: CTR mode needs counter parameter, not IV
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: duplicity 0.7.06-2ubuntu2
ProcVersionSignature: Ubuntu 4.4.0-62.83-generic 4.4.40
Uname: Linux 4.4.0-62-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
CurrentDesktop: Unity
Date: Fri Feb 17 14:03:00 2017
InstallationDate: Installed on 2016-06-03 (259 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
SourcePackage: duplicity
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: duplicity (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
** Description changed:
Ubuntu 16.04 - Duplicity
- Following error using duplicity with SSH backend after upgrade today on
+ Following error using duplicity with SFTP backend after upgrade today on
several machines. Confirmed to be an upgrade as had a working machine,
apt upgraded it, then it was broken. Only packages I can see that were
upgraded that might be related are python-crypto
(2.6.1-6ubuntu0.16.04.1) and libssh2-1:amd64 (1.5.0-2ubuntu0.1).
IMPORTANT: Duplicity unusable in SFTP mode since the upgrade, it is not
possible to perform backups.
-
ssh: Unknown exception: CTR mode needs counter parameter, not IV
ssh: Traceback (most recent call last):
ssh: File "/usr/lib/python2.7/dist-packages/paramiko/transport.py", line
1744, in run
ssh: self.kex_engine.parse_next(ptype, m)
ssh: File "/usr/lib/python2.7/dist-packages/paramiko/kex_group1.py", line
75, in parse_next
ssh: return self._parse_kexdh_reply(m)
ssh: File "/usr/lib/python2.7/dist-packages/paramiko/kex_group1.py", line
112, in _parse_kexdh_reply
ssh: self.transport._activate_outbound()
ssh: File "/usr/lib/python2.7/dist-packages/paramiko/transport.py", line
2074, in _activate_outbound
ssh: engine = self._get_cipher(self.local_cipher, key_out, IV_out)
ssh: File "/usr/lib/python2.7/dist-packages/paramiko/transport.py", line
1649, in _get_cipher
ssh: return self._cipher_info[name]['class'].new(key,
self._cipher_info[name]['mode'], iv, counter)
ssh: File "/usr/lib/python2.7/dist-packages/Crypto/Cipher/AES.py", line 94,
in new
ssh: return AESCipher(key, *args, **kwargs)
ssh: File "/usr/lib/python2.7/dist-packages/Crypto/Cipher/AES.py", line 59,
in __init__
ssh: blockalgo.BlockAlgo.__init__(self, _AES, key, *args, **kwargs)
ssh: File "/usr/lib/python2.7/dist-packages/Crypto/Cipher/blockalgo.py",
line 141, in __init__
ssh: self._cipher = factory.new(key, *args, **kwargs)
ssh: ValueError: CTR mode needs counter parameter, not IV
- ssh:
+ ssh:
BackendException: ssh connection to cli-5l...@sftp.orbit.brightbox.com:22
failed: CTR mode needs counter parameter, not IV
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: duplicity 0.7.06-2ubuntu2
ProcVersionSignature: Ubuntu 4.4.0-62.83-generic 4.4.40
Uname: Linux 4.4.0-62-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
CurrentDesktop: Unity
Date: Fri Feb 17 14:03:00 2017
InstallationDate: Installed on 2016-06-03 (259 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64
(20160420.1)
SourcePackage: duplicity
UpgradeStatus: No upgrade log present (probably fresh install)
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https://bugs.launchpad.net/bugs/1665643
Title:
Duplicity error "ssh: Unknown exception: CTR mode needs counter
parameter, not IV"
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