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doc: attacker can display a large byte set

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Ben Grande 2024-01-18 19:49:15 +01:00
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salt/sys-git/README.md
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@ -52,7 +52,10 @@ stdout as packet information during the initial server client negotiation, the
client will display the characters on stderr with an error message containing client will display the characters on stderr with an error message containing
the character. Git only filters for control characters but other characters the character. Git only filters for control characters but other characters
that are valid UTF-8 such as multibyte are not filtered. The same characters that are valid UTF-8 such as multibyte are not filtered. The same characters
can be present in the git log. can be present in the git log. In reality, there are many other ways the
remote can make the client display a refname with attacker controlled data
with a much larger byte size, this cannot be solved while the remote helper
does not verify each received reference.
A remote helper that validates the data received can increase the security A remote helper that validates the data received can increase the security
by not printing untrusted data, which is the case with by not printing untrusted data, which is the case with