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| author | Sébastien Helleu <flashcode@flashtux.org> | 2021-08-03 20:01:15 +0200 |
|---|---|---|
| committer | Sébastien Helleu <flashcode@flashtux.org> | 2021-08-03 20:01:15 +0200 |
| commit | 79d50837c91ffe5920f4e3c0f2b380169a7b2a2f (patch) | |
| tree | 0c9844410df371db9d32acdca291d7660aedbcb8 | |
| parent | 791b910a77b24053309d2ae308aed37da0da166c (diff) | |
| download | weechat-79d50837c91ffe5920f4e3c0f2b380169a7b2a2f.zip | |
irc: fix read out of bounds in case of malformed AUTHENTICATE message (issue #1679)
| -rw-r--r-- | src/plugins/irc/irc-protocol.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/plugins/irc/irc-protocol.c b/src/plugins/irc/irc-protocol.c index 9eb6e8de5..70a78348f 100644 --- a/src/plugins/irc/irc-protocol.c +++ b/src/plugins/irc/irc-protocol.c @@ -408,6 +408,8 @@ IRC_PROTOCOL_CALLBACK(authenticate) return WEECHAT_RC_OK; arg_data = (argv[0][0] == ':') ? 2 : 1; + if (arg_data >= argc) + return WEECHAT_RC_OK; ptr_data = (argv_eol[arg_data][0] == ':') ? argv_eol[arg_data] + 1 : argv_eol[arg_data]; |