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| author | Philippe Antoine <contact@catenacyber.fr> | 2020-03-12 14:26:08 +0100 |
|---|---|---|
| committer | Philippe Antoine <contact@catenacyber.fr> | 2020-03-12 14:26:08 +0100 |
| commit | 9d1340a8e7fc38aa39d0d81b4dfb596095804ae1 (patch) | |
| tree | cbe9a41cf7f1768f26454a6583920bf85be87043 | |
| parent | 7a2bcd9c395f9fe554109e04add33e9e65564d82 (diff) | |
Fix buffer overread in yahoo
| -rw-r--r-- | src/lib/protocols/yahoo.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/lib/protocols/yahoo.c b/src/lib/protocols/yahoo.c index ceb9d48b6..bd7f3ef66 100644 --- a/src/lib/protocols/yahoo.c +++ b/src/lib/protocols/yahoo.c @@ -62,6 +62,9 @@ __forceinline static #endif u_int8_t check_ymsg(const u_int8_t * payload, u_int16_t payload_packet_len) { + if (payload_packet_len < sizeof(struct ndpi_yahoo_header)) { + return 0; + } const struct ndpi_yahoo_header *yahoo = (struct ndpi_yahoo_header *) payload; u_int16_t yahoo_len_parsed = 0; |