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- Fix Out of Bounds Write in sldns_str2wire_str_buf(),

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reported by X41 D-Sec.
This commit is contained in:
W.C.A. Wijngaards
2019-12-03 16:01:31 +01:00
parent e183a66d60
commit 3f3cadd416
2 changed files with 3 additions and 1 deletions
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doc/Changelog
+2
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@@ -10,6 +10,8 @@
reported by X41 D-Sec.
- Fix OOB Read in sldns_wire2str_dname_scan(),
reported by X41 D-Sec.
- Fix Out of Bounds Write in sldns_str2wire_str_buf(),
reported by X41 D-Sec.
2 December 2019: Wouter
- Merge pull request #122 from he32: In tcp_callback_writer(),
sldns/str2wire.c
+1 -1
View File
@@ -1103,7 +1103,7 @@ int sldns_str2wire_str_buf(const char* str, uint8_t* rd, size_t* len)
while(sldns_parse_char(&ch, &s)) {
if(sl >= 255)
return RET_ERR(LDNS_WIREPARSE_ERR_INVALID_STR, s-str);
if(*len < sl+1)
if(*len < sl+2)
return RET_ERR(LDNS_WIREPARSE_ERR_BUFFER_TOO_SMALL,
s-str);
rd[++sl] = ch;