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Merge pull request #16213 from opensourcerouting/fix/fqdn_capability_parsing_for_dynamic_capability

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bgpd: Check if we have really enough data before doing memcpy for FQDN capability
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Russ White 2024-06-24 16:38:58 -04:00 committed by GitHub
commit ed5628fef1
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1 changed files with 2 additions and 2 deletions
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bgpd/bgp_packet.c
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@ -3438,7 +3438,7 @@ static void bgp_dynamic_capability_fqdn(uint8_t *pnt, int action,
} }
len = *data; len = *data;
if (data + len > end) { if (data + len + 1 > end) {
zlog_err("%pBP: Received invalid FQDN capability length (host name) %d", zlog_err("%pBP: Received invalid FQDN capability length (host name) %d",
peer, hdr->length); peer, hdr->length);
return; return;
@ -3469,7 +3469,7 @@ static void bgp_dynamic_capability_fqdn(uint8_t *pnt, int action,
/* domainname */ /* domainname */
len = *data; len = *data;
if (data + len > end) { if (data + len + 1 > end) {
zlog_err("%pBP: Received invalid FQDN capability length (domain name) %d", zlog_err("%pBP: Received invalid FQDN capability length (domain name) %d",
peer, len); peer, len);
return; return;