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authoremanuele-f <faranda@ntop.org>2019-12-04 15:20:49 +0100
committeremanuele-f <faranda@ntop.org>2019-12-04 15:20:49 +0100
commitf26096ee4cf730244b3db577259f84b0cd37e521 (patch)
treeadcfcfa5dff71b5ae7321c88bdea682beb08520f /src/lib/protocols/tls.c
parent2b3ef7e7622c51641e9e88fa76442cda086982fd (diff)
Fix reversed offset check
Diffstat (limited to 'src/lib/protocols/tls.c')
-rw-r--r--src/lib/protocols/tls.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/lib/protocols/tls.c b/src/lib/protocols/tls.c
index cd729fc3c..2f4959b81 100644
--- a/src/lib/protocols/tls.c
+++ b/src/lib/protocols/tls.c
@@ -309,7 +309,7 @@ int getTLScertificate(struct ndpi_detection_module_struct *ndpi_struct,
offset += 2 + 1;
- if(offset > packet->payload_packet_len)
+ if((offset + 1) < packet->payload_packet_len) /* +1 because we are goint to read 2 bytes */
extension_len = ntohs(*((u_int16_t*)&packet->payload[offset]));
else
extension_len = 0;