CVE-2005-3252

NONECVSS 0.0Weaponized

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 99.3%
KEV: Not listed

Published

October 18, 2005

Last Modified

April 16, 2026

References (30)

cve@mitrehttp://archives.neohapsis.com/archives/fulldisclosure/2005-10/0505.html
cve@mitrehttp://archives.neohapsis.com/archives/fulldisclosure/2005-11/0010.html
cve@mitrehttp://secunia.com/advisories/17220
cve@mitrehttp://secunia.com/advisories/17255
cve@mitrehttp://secunia.com/advisories/17559
cve@mitrehttp://securitytracker.com/id?1015070
cve@mitrehttp://www.kb.cert.org/vuls/id/175500
cve@mitrehttp://www.osvdb.org/20034
cve@mitrehttp://www.securityfocus.com/bid/15131
cve@mitrehttp://www.snort.org/docs/change_logs/2.4.3/Changelog.txt
cve@mitrehttp://www.us-cert.gov/cas/techalerts/TA05-291A.html
cve@mitrehttp://www.vupen.com/english/advisories/2005/2138
cve@mitrehttp://www130.nortelnetworks.com/cgi-bin/eserv/cs/main.jsp?cscat=BLTNDETAIL&DocumentOID=362187&RenditionID=
cve@mitrehttp://www130.nortelnetworks.com/cgi-bin/eserv/cs/main.jsp?cscat=BLTNDETAIL&DocumentOID=363396&RenditionID=
cve@mitrehttp://xforce.iss.net/xforce/alerts/id/207

Data Freshness Timeline

(refreshed 6× in last 7d / 10× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-21 22:38 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Publicly available exploits

(6 references)

Working exploit code is in the public domain (1 Metasploit module) (5 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-16834✓ verified
First seen Jul 3, 2010
Snort Back Orifice - Pre-Preprocessor Remote (Metasploit)
Open source ↗
Exploit-DBEDB-1314✓ verified
First seen Nov 11, 2005
Snort 2.4.2 - Back Orifice Pre-Preprocessor Remote (4)
Open source ↗
Exploit-DBEDB-1313✓ verified
First seen Nov 11, 2005
Snort 2.4.2 - Back Orifice Pre-Preprocessor Remote (3)
Open source ↗
Exploit-DBEDB-1272✓ verified
First seen Oct 25, 2005
Snort 2.4.2 - Back Orifice Parsing Remote Buffer Overflow
Open source ↗
Exploit-DBEDB-10026✓ verified
First seen Oct 18, 2005
Snort 2.4.0 < 2.4.3 - Back Orifice Pre-Preprocessor Remote (Metasploit)
Open source ↗
Metasploitexploit/linux/ids/snortbopre✓ verified
First seen Oct 18, 2005
Snort Back Orifice Pre-Preprocessor Buffer Overflow
Open source ↗

Frequently asked(4)

What is CVE-2005-3252?

CVE-2005-3252 is a none vulnerability published on October 18, 2005. 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.

When was CVE-2005-3252 disclosed?

CVE-2005-3252 was first published in the National Vulnerability Database on October 18, 2005, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2005-3252 actively exploited?

CVE-2005-3252 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2005-3252?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2005-3252, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2005-3252

📅 Published

🔄 Last Modified

🔗 References (30)