diff options
Diffstat (limited to 'sys/netinet6/esp_input.c')
| -rw-r--r-- | sys/netinet6/esp_input.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/netinet6/esp_input.c b/sys/netinet6/esp_input.c index 1ad8dcd..b038f6c 100644 --- a/sys/netinet6/esp_input.c +++ b/sys/netinet6/esp_input.c @@ -217,6 +217,10 @@ esp4_input(m, off) if (!sumalgo) goto noreplaycheck; siz = (((*sumalgo->sumsiz)(sav) + 3) & ~(4 - 1)); + if (m->m_pkthdr.len < off + ESPMAXLEN + siz) { + ipsecstat.in_inval++; + goto bad; + } if (AH_MAXSUMSIZE < siz) { ipseclog((LOG_DEBUG, "internal error: AH_MAXSUMSIZE must be larger than %lu\n", @@ -572,6 +576,10 @@ esp6_input(mp, offp, proto) if (!sumalgo) goto noreplaycheck; siz = (((*sumalgo->sumsiz)(sav) + 3) & ~(4 - 1)); + if (m->m_pkthdr.len < off + ESPMAXLEN + siz) { + ipsecstat.in_inval++; + goto bad; + } if (AH_MAXSUMSIZE < siz) { ipseclog((LOG_DEBUG, "internal error: AH_MAXSUMSIZE must be larger than %lu\n", |
