Home/CVE/Buffer overflow in Citadel SMTP server 7.10 and earlier allows remote attackers to execute arbitrary code via a long RCP
CVE

CVE-2008-0394

Buffer overflow in Citadel SMTP server 7.10 and earlier allows remote attackers to execute arbitrary code via a long RCP

Buffer overflow in Citadel SMTP server 7.10 and earlier allows remote attackers to execute arbitrary code via a long RCPT TO command, which is not properly handled by the makeuserkey function. NOTE: some of these details were obtained from third party information.

HIGH · CVSS 7.5 EPSS 0.13907
Act now
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 6% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

1
citadel smtp<= 7.10
⚠

Public Exploits & PoCs

2
remoteCitadel SMTP 7.10 - Remote Overflowverified
pocwww.exploit-db.com · 4949www.exploit-db.com
◈

Detection Rules (IDS/IPS)

1
snort-communitySERVER-MAIL RCPT TO overflowattempted-admin
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumSuspicious Outbound SMTP Connections
▣

Scoring & Timeline

7.5
HIGH · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Published to NVD23 Jan 2008 · 12:00 PM
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://secunia.com/advisories/28590Vendor Advisory
http://www.milw0rm.com/sploits/2008-vs-GNU-citadel.tar.gz
http://www.securityfocus.com/bid/27376
http://www.securitytracker.com/id?1019255
http://www.vupen.com/english/advisories/2008/0252
https://exchange.xforce.ibmcloud.com/vulnerabilities/39807
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