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Posted to dev@spamassassin.apache.org by bu...@spamassassin.apache.org on 2024/07/29 13:13:01 UTC
[Bug 8272] A HREF with UTF-8 host name invisible to SA
https://bz.apache.org/SpamAssassin/show_bug.cgi?id=8272
Bill Cole <bi...@apache.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |billcole@apache.org
--- Comment #1 from Bill Cole <bi...@apache.org> ---
Confirmed that the message does not hit UIRBL. I believe the reason for that
is a decoding error on that URI. From debug output:
Jul 29 08:33:02.528 [75372] dbg: rules: ran eval rule HTML_MESSAGE ======> got
hit (1)
Jul 29 08:33:02.529 [75372] info: util: idn_to_ascii: conversion to ACE failed,
string contains a disallowed character:
'sbxppqmgkdrsimgktmfzm.com\x{C3}\x{A2}\x{CB}\x{86}\x{E2}\x{80}\x{A2}sbxppqmgkdrsimgktmfzm\x{C3}\x{A2}\x{CB}\x{86}\x{E2}\x{80}\x{A2}sbxppqmgkdrsimgktmfzm\x{C3}\x{A2}\x{CB}\x{86}\x{E2}\x{80}\x{A2}sbxppqmgkdrsimgktmfzm@sbxppqmgkdrsimgktmfzm.\x{C3}\x{B0}\x{EF}\x{BF}\x{BD}\x{E2}\x{80}\x{A2}\x{C5}\x{93}\x{C3}\x{B0}\x{EF}\x{BF}\x{BD}\x{E2}\x{80}\x{A2}\x{E2}\x{80}\x{93}\x{C3}\x{B0}\x{EF}\x{BF}\x{BD}\x{E2}\x{80}\x{A2}\x{E2}\x{80}\x{BA}\x{C3}\x{B0}\x{EF}\x{BF}\x{BD}\x{E2}\x{80}\x{A2}\x{C5}\x{A1}\x{C3}\x{B0}\x{EF}\x{BF}\x{BD}\x{E2}\x{80}\x{A2}\x{E2}\x{80}\x{99}\x{C3}\x{B0}\x{EF}\x{BF}\x{BD}\x{E2}\x{80}\x{A2}\x{E2}\x{80}\x{A2}\x{C3}\x{B0}\x{EF}\x{BF}\x{BD}\x{E2}\x{80}\x{A2}\x{C5}\x{BE}\x{C3}\x{B0}\x{EF}\x{BF}\x{BD}\x{E2}\x{80}\x{A2}\x{C5}\x{A1}\x{C3}\x{B0}\x{EF}\x{BF}\x{BD}\x{E2}\x{80}\x{A2}\x{C5}\x{B8}.cn'
(charset UTF-8) (LibIDN2)
Jul 29 08:33:02.529 [75372] info: util: idn_to_ascii: conversion to ACE failed,
string contains a disallowed character:
'\x{C3}\x{B0}\x{EF}\x{BF}\x{BD}\x{E2}\x{80}\x{A2}\x{C5}\x{93}\x{C3}\x{B0}\x{EF}\x{BF}\x{BD}\x{E2}\x{80}\x{A2}\x{E2}\x{80}\x{93}\x{C3}\x{B0}\x{EF}\x{BF}\x{BD}\x{E2}\x{80}\x{A2}\x{E2}\x{80}\x{BA}\x{C3}\x{B0}\x{EF}\x{BF}\x{BD}\x{E2}\x{80}\x{A2}\x{C5}\x{A1}\x{C3}\x{B0}\x{EF}\x{BF}\x{BD}\x{E2}\x{80}\x{A2}\x{E2}\x{80}\x{99}\x{C3}\x{B0}\x{EF}\x{BF}\x{BD}\x{E2}\x{80}\x{A2}\x{E2}\x{80}\x{A2}\x{C3}\x{B0}\x{EF}\x{BF}\x{BD}\x{E2}\x{80}\x{A2}\x{C5}\x{BE}\x{C3}\x{B0}\x{EF}\x{BF}\x{BD}\x{E2}\x{80}\x{A2}\x{C5}\x{A1}\x{C3}\x{B0}\x{EF}\x{BF}\x{BD}\x{E2}\x{80}\x{A2}\x{C5}\x{B8}.cn'
(charset UTF-8) (LibIDN2)
It is not clear to me how to attack this, as we rely on LibIDN2 to convert
UTF-8 domain names to ASCII, and it is failing to do so.
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