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Cisco Bug: CSCum99586 - SSH crashes when RSA pubkey Authentication method is used

Last Modified

Jul 21, 2018

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases


Description (partial)

Internally a NULL string is passed as password and we are not handling this case properly. We were doing some string operation on NULL string.

when user logs in to the XR server using pubkey authentication a crash is seen.

sshd_child_handler crashes everytime pubkey authentication is used.

Related Community Discussions

IOS-XR: RSA Public Key User Authentication で SSH ログインに失敗する
2015年1月21日(初版) TAC SR Collection 主な問題 IOS XR が動作するルータにおいて、RSA Public key User Authentication を使用しており、SSH でログインした場合に sshd_child_handler process が crash し、SSH session が確立しません。 <XR ルータ上の出力例> | dumper[56]: %OS-DUMPER-7-DUMP_REQUEST : Dump request for process pkg/bin/ sshd_child_handler dumper[56]: %OS-DUMPER-6-ERR_SYSMGR_CORE_OPTIONS : Failed to get process core options from the process init/startup file. Error(1132268544): 'sysmgr' detected the 'warning' condition 'No more matching elements available'. ...
Latest activity: Jan 23, 2015
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