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authorZackery Spytz <zspytz@gmail.com>2018-08-19 04:43:38 (GMT)
committerSerhiy Storchaka <storchaka@gmail.com>2018-08-19 04:43:38 (GMT)
commite349bf23584eef20e0d1e1b2989d9b1430f15507 (patch)
treed698b962c27f07d0e6f1baf4fbe13fee145c60dc /Objects
parentd3d3171da895d8cb880f23fae6be778f0ac23be7 (diff)
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bpo-22602: Raise an exception in the UTF-7 decoder for ill-formed sequences starting with "+". (GH-8741)
The UTF-7 decoder now raises UnicodeDecodeError for ill-formed sequences starting with "+" (as specified in RFC 2152).
Diffstat (limited to 'Objects')
-rw-r--r--Objects/unicodeobject.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 04fd6d0..0460d18 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -4479,6 +4479,11 @@ PyUnicode_DecodeUTF7Stateful(const char *s,
if (_PyUnicodeWriter_WriteCharInline(&writer, '+') < 0)
goto onError;
}
+ else if (s < e && !IS_BASE64(*s)) {
+ s++;
+ errmsg = "ill-formed sequence";
+ goto utf7Error;
+ }
else { /* begin base64-encoded section */
inShift = 1;
surrogate = 0;