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Denial of service in SSH transport for twisted #10284

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twisted-trac opened this issue Dec 24, 2021 · 3 comments
Open

Denial of service in SSH transport for twisted #10284

twisted-trac opened this issue Dec 24, 2021 · 3 comments

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@twisted-trac
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vin01's avatar @vin01 reported
Trac ID trac#10284
Type defect
Created 2021-12-24 16:16:46Z
Searchable metadata
trac-id__10284 10284
type__defect defect
reporter__vin01 vin01
priority__normal normal
milestone__None None
branch__ 
branch_author__ 
status__new new
resolution__None None
component__conch conch
keywords__security__ssh security, ssh
time__1640362606139091 1640362606139091
changetime__1645082891203329 1645082891203329
version__None None
owner__adiroiban1 adiroiban1
cc__alex
@twisted-trac
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adiroiban's avatar @adiroiban commented

There is a private PR with a proposed fix for this

@twisted-trac
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exarkun's avatar @exarkun set owner to adiroiban1

Hm. Public disclosure. Oops. I'm not sure having the fix in private makes too much sense in such a case... But in any case, it's reviewed.

@twisted-trac
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vin01's avatar @vin01 commented

I agree. The Github advisory also seems to be private as I haven't received any notification yet.

vmario pushed a commit to vmario/twisted that referenced this issue Jul 4, 2022
[Fix twisted#10284] Fix out of memory deny of service for conch ssh version string handling during handshake.
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