mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-12 13:55:32 +00:00
Code Issues Releases Wiki Activity

netfilter: nf_conntrack_sip: fix off-by-one in compact header parsing

Browse source 
In a string like "v:SIP/2.0..." it was checking for !isalpha('S') when it
meant to be inspecting the ':'.

Patch by Greg Alexander <greqcs@galexander.org>

Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Patrick McHardy 2010-01-19 19:06:59 +01:00
parent dce766af54
commit 135d01899b
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
net/netfilter/nf_conntrack_sip.c
View file

@ -376,7 +376,7 @@ int ct_sip_get_header(const struct nf_conn *ct, const char *dptr,
dptr += hdr->len;
else if (hdr->cname && limit - dptr >= hdr->clen + 1 &&
strnicmp(dptr, hdr->cname, hdr->clen) == 0 &&
!isalpha(*(dptr + hdr->clen + 1)))
!isalpha(*(dptr + hdr->clen)))
dptr += hdr->clen;
else
continue;