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Code Issues Releases Wiki Activity

KEX Packet Follows Fix 

1. When filtering out the unknown names from name lists, the one that
   will be the client's guess KEX type can get removed if unknown. Let
   the first item in the client's list be added if unknown.
pull/296/head
John Safranek 2020-10-27 09:38:02 -07:00
parent dec94e79af
commit 79d2ff2760
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GPG Key ID: 8CE817DE0D3CCB4A
1 changed files with 4 additions and 1 deletions
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5
src/internal.c
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@ -1914,7 +1914,10 @@ static int GetNameList(byte* idList, word32* idListSz,
WLOG(WS_LOG_DEBUG, "DNL: name ID = %s", displayName);
}
}
if (id != ID_UNKNOWN) {
if (id != ID_UNKNOWN || idListIdx == 0) {
/* Intentionally save the first one if unknown. This helps
* skipping the KexDhInit if the client sends the wrong one
* as a guess. */
if (idListIdx >= *idListSz) {
WLOG(WS_LOG_ERROR, "No more space left for names");
return WS_BUFFER_E;