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CVE-2005-3252

81
FAUCET Score

CVE-2005-3252 describes a stack-based buffer overflow vulnerability in the Back Orifice (BO) preprocessor of Snort versions prior to 2.4.3. This critical flaw allows remote attackers to execute arbitrary code on affected systems by sending a specially crafted UDP packet. With a CVSS score of 7.5, it presents a high risk due to its network-based attack vector and low attack complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. While not listed on CISA's KEV catalog, exploit modules are readily available in Metasploit and ExploitDB, indicating a high potential for exploitation, despite a lack of public community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.4.0CPE matchmatch criteria
cpe:2.3:a:sourcefire:snort:2.4.0:*:*:*:*:*:*:*
2.4.1CPE matchmatch criteria
cpe:2.3:a:sourcefire:snort:2.4.1:*:*:*:*:*:*:*
2.4.2CPE matchmatch criteria
cpe:2.3:a:sourcefire:snort:2.4.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
83.62%
Probability of exploitation in next 30 days
EPSS Percentile
99.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: Snort Back Orifice Pre-Preprocessor Buffer Overflow · Oct 18, 2005
ExploitDB: EDB-16834 · Jul 3, 2010
This CVE's current EPSS score of 0.8362 is in the 100th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

archives.neohapsis.com / archives/fulldisclosure/2005-10/0505.html
archives.neohapsis.com / archives/fulldisclosure/2005-11/0010.html
secunia.com / advisories/17220
secunia.com / advisories/17255
secunia.com / advisories/17559
securitytracker.com / id
www130.nortelnetworks.com / cgi-bin/eserv/cs/main.jsp
www130.nortelnetworks.com / cgi-bin/eserv/cs/main.jsp
kb.cert.org / vuls/id/175500
PatchThird Party AdvisoryUS Government Resource
osvdb.org / 20034
securityfocus.com / bid/15131
snort.org / docs/change_logs/2.4.3/Changelog.txt
us-cert.gov / cas/techalerts/TA05-291A.html
PatchThird Party AdvisoryUS Government Resource
vupen.com / english/advisories/2005/2138
xforce.iss.net / xforce/alerts/id/207
Vendor Advisory