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Nmap 7.70 crashes when running either of the following two scripts against an open port 22 which is not recognised as SSH: ssh-publickey-acceptance and ssh-auth-methods.
If I disable those two scripts, then Nmap doesn't crash, and the host output looks like:
PORT STATE SERVICE REASON VERSION
22/tcp open ssh? syn-ack ttl 64
|_banner: Test
| fingerprint-strings:
| GenericLines, GetRequest, NULL, SSLSessionReq, TLSSessionReq:
|_ Test
Hope that helps in diagnosing the issue.
Please can you look into it?
The text was updated successfully, but these errors were encountered:
Glad I could help! I ran into the same problem myself, but I had forgotten about this bug report. I thought maybe nobody else had experienced the crash. I'll put it into the changelog with reference to this issue.
Nmap 7.70 crashes when running either of the following two scripts against an open port 22 which is not recognised as SSH:
ssh-publickey-acceptance
andssh-auth-methods
.I managed to narrow it down to these scripts and one particular host, and created a minimised test case that can be run locally:
This will cause a crash, sometimes with
Segmentation fault
or sometimes withdouble free or corruption
. Sample output with-ddd
:If I disable those two scripts, then Nmap doesn't crash, and the host output looks like:
Hope that helps in diagnosing the issue.
Please can you look into it?
The text was updated successfully, but these errors were encountered: