Bugzilla – Attachment 3603 Details for
Bug 3464
openbsd-compat - sys_tun_infilter - off-by-one
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[patch]
patch for the issue
openssh.patch (text/plain), 513 bytes, created by
Mateusz Kocielski
on 2022-07-14 17:24:54 AEST
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Description:
patch for the issue
Filename:
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Creator:
Mateusz Kocielski
Created:
2022-07-14 17:24:54 AEST
Size:
513 bytes
patch
obsolete
>diff --git a/openbsd-compat/port-net.c b/openbsd-compat/port-net.c >index 198e73f0..4a6d2274 100644 >--- a/openbsd-compat/port-net.c >+++ b/openbsd-compat/port-net.c >@@ -325,7 +325,7 @@ sys_tun_infilter(struct ssh *ssh, struct Channel *c, char *buf, int _len) > len = _len; > > #if defined(SSH_TUN_PREPEND_AF) >- if (len <= sizeof(iph) || len > sizeof(rbuf) - 4) >+ if (len < sizeof(iph) || len > sizeof(rbuf) - 4) > return -1; > /* Determine address family from packet IP header. */ > memcpy(&iph, buf, sizeof(iph));
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bug 3464
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