search for: ssh1_sessionkey_recovery

...W-003-ssh-traffic-analysis.txt The countermeasures introduced in earlier OpenSSH-2.5.x versions caused interoperability problems with some other implementations. Improved countermeasure against "SSH protocol 1.5 session key recovery vulnerability" http://www.core-sdi.com/advisories/ssh1_sessionkey_recovery.htm New options: permitopen authorized_keys option to restrict portforwarding. PreferredAuthentications allows client to specify the order in which authentication methods are tried. Sftp: sftp client supports globbing (get *, put *). Support for sftp protocol v3 (draft-ietf-secsh-filexfer-...

...W-003-ssh-traffic-analysis.txt The countermeasures introduced in earlier OpenSSH-2.5.x versions caused interoperability problems with some other implementations. Improved countermeasure against "SSH protocol 1.5 session key recovery vulnerability" http://www.core-sdi.com/advisories/ssh1_sessionkey_recovery.htm New options: permitopen authorized_keys option to restrict portforwarding. PreferredAuthentications allows client to specify the order in which authentication methods are tried. Sftp: sftp client supports globbing (get *, put *). Support for sftp protocol v3 (draft-ietf-secsh-filexfer-...

http://www.core-sdi.com/advisories/ssh1_sessionkey_recovery.htm includes the line of code: kill(SIGALRM, getppid()); This is contained within what is listed as an "unsupported and untested patch" developed by SSH.com. The problem is that the arguments to "kill" are in the wrong order. In other words, to obtain the effect that was ap...

...luded should be applied to the file deattack.c from the ssh-1.2.31 (and below) source distribution. Contact your SSH vendor for a fix if source code is not available. Additionally, advisories and information on security issues in SSH can be obtained from: http://www.core-sdi.com/advisories/ssh1_sessionkey_recovery.htm http://www.core-sdi.com/advisories/buffer_over_ing.htm http://www.core-sdi.com/advisories/ssh-advisory.htm http://www.securityfocus.com.com/bid/2347 http://www.securityfocus.com.com/bid/2222 http://www.securityfocus.com.com/bid/2117 http://www.securityfocus.com.com/bid/1949 http://www.se...