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Fencer Vulns
high 7.5

CVE-2005-3252 in the critical feed json

Stack-based buffer overflow in the Back Orifice (BO) preprocessor for Snort before 2.4.3 allows remote attackers to execute arbitrary code…

published 2005-10-18 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-3251

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
83.9%
EPSS 83.9% chance of exploitation in 30 days, percentile 99.6%
public exploits
6
Metasploit, Exploit-DB

Summary

Stack-based buffer overflow in the Back Orifice (BO) preprocessor for Snort before 2.4.3 allows remote attackers to execute arbitrary code via a crafted UDP packet.

Patch / fix

Timeline

  1. First public exploit (Metasploit exploit/linux/ids/snortbopre)
  2. Published

Exploit prediction

83.90% chance of exploitation in the next 30 days, higher than 99.6% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Metasploit exploit/linux/ids/snortbopre Snort Back Orifice Pre-Preprocessor Buffer Overflow metasploit exploit, good rank, 2005-10-18
  • EDB-16834 Snort Back Orifice - Pre-Preprocessor Remote (Metasploit) remote, 2010-07-03
  • EDB-10026 Snort 2.4.0 < 2.4.3 - Back Orifice Pre-Preprocessor Remote (Metasploit) remote, 2005-10-18
  • EDB-1314 Snort 2.4.2 - Back Orifice Pre-Preprocessor Remote (4) remote, 2005-11-11
  • EDB-1313 Snort 2.4.2 - Back Orifice Pre-Preprocessor Remote (3) remote, 2005-11-11
  • EDB-1272 Snort 2.4.2 - Back Orifice Parsing Remote Buffer Overflow remote, 2005-10-25

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.