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OpenSSH CBC Mode Information Disclosure Vulnerability

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OpenSSH CBC Mode Information Disclosure Vulnerability

Severity
3
CVSS
(AV:N/AC:H/Au:N/C:P/I:N/A:N)
Published
11/14/2008
Created
07/25/2018
Added
05/28/2009
Modified
05/30/2016

Description

Error handling in the SSH protocol in (1) SSH Tectia Client and Server and Connector 4.0 through 4.4.11, 5.0 through 5.2.4, and 5.3 through 5.3.8; Client and Server and ConnectSecure 6.0 through 6.0.4; Server for Linux on IBM System z 6.0.4; Server for IBM z/OS 5.5.1 and earlier, 6.0.0, and 6.0.1; and Client 4.0-J through 4.3.3-J and 4.0-K through 4.3.10-K; and (2) OpenSSH 4.7p1 and possibly other versions, when using a block cipher algorithm in Cipher Block Chaining (CBC) mode, makes it easier for remote attackers to recover certain plaintext data from an arbitrary block of ciphertext in an SSH session via unknown vectors.

Solution(s)

  • openbsd-openssh-upgrade-5_2

References

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