Roberto Deandrea created SSHD-1315:
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Summary: Password in clear in SSHD server's logs
Key: SSHD-1315
URL: https://issues.apache.org/jira/browse/SSHD-1315
Project: MINA SSHD
Issue Type: Improvement
Affects Versions: 2.8.0
Reporter: Roberto Deandrea
Hi Thomas,
I noticed that setting SLF4J log level {*}org.apache.sshd.*=finest{*}, the
password of an SSH client authenticating to SSHD server is logged on SSHD
server in "clear".
This could result in a privacy/security issues at companies with strict
security rules.
Evidence of this behavior is in the following trace :
{color:#242424}[12/14/22 10:05:04:537 CET] 0000014e id=00000000
org.apache.sshd.common.util.logging.LoggingUtils{color}{color:#242424}
{color}{color:#242424}3 logMessage
decode({*}ServerSessionImpl{*}[null@/172.18.0.1:34845]) packet #7 [chunk
#1](53/53) 32 00 00 00 05 70 61 72 74 31 00 00 00 0e 73 73 68 2d 63 6f 6e 6e 65
63 74 69 6f 6e 00 00 00 08 70 61 73 73 77 6f 72 64 00 00 00 00 08 70 61 72 74
6e 65 72 31{color}{color:#242424}
{color}{color:#242424}2....{*}part1{*}....ssh-connection....password.....{*}partner1{*}{color}
Questions.
1. What do you think about this issue ?
2. Did you ever think about obfuscating in some ways "clear passwords" in logs?
3. Other considerations ?
Than you for your collaboration.
Kind Regards
Roberto Deandrea
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