Home/CVE/Format string vulnerability in the auth_debug function in Courier-IMAP 1.6.0 through 2.2.1 and 3.x through 3.0.3, when l
CVE

CVE-2004-0777

Format string vulnerability in the auth_debug function in Courier-IMAP 1.6.0 through 2.2.1 and 3.x through 3.0.3, when l

Format string vulnerability in the auth_debug function in Courier-IMAP 1.6.0 through 2.2.1 and 3.x through 3.0.3, when login debugging (DEBUG_LOGIN) is enabled, allows remote attackers to execute arbitrary code.

HIGH · CVSS 7.5 EPSS 0.15919
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  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 5% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-134Use of Externally-Controlled Format String
▤

Affected Products & Versions

1
inter7 courier-imapall versions
⚠

Public Exploits & PoCs

1
remoteCourier-IMAP 3.0.2-r1 - 'auth_debug()' Remote Format Stringverified
◈

Detection Rules (IDS/IPS)

2
snort-communityPROTOCOL-IMAP login format string attemptattempted-admin
snort-communityPROTOCOL-POP PASS format string attemptattempted-admin
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

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 NVD20 Oct 2004 · 04:00 AM
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://security.gentoo.org/glsa/glsa-200408-19.xml
http://www.securityfocus.com/bid/10976
http://www.trustix.net/errata/2004/0043/
http://www.verisigninc.com/en_US/products-and-services/network-intelligence-availability/idefense/public-vulnerability-reports/articles/index.xhtml?id=131
https://exchange.xforce.ibmcloud.com/vulnerabilities/17034
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