CVE-2003-1177 EXPLOIT
7.5
HIGH · CVSS 2.0 · EPSS 12.9% (pctl 96)
Patch early
A public exploit exists.
Description
Buffer overflow in the base64 decoder in MERCUR Mailserver 4.2 before SP3a allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long (1) AUTH command to the POP3 server or (2) AUTHENTICATE command to the IMAP server.
Scoring
| CVSS | 7.5 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| EPSS | 12.93% — more likely to be exploited than 96% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2003-12-31 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| atrium software | mercur mailserver |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Atrium Software Mercur MailServer 3.3/4.0/4.2 - IMAP AUTH Remote Buffer Overflow | 2003-10-20 |
References
- http://archives.neohapsis.com/archives/fulldisclosure/2003-q4/1459.html
- http://secunia.com/advisories/10038
- http://www.atrium-software.com/mail%20server/pub/mcr42sp3a.html
- http://www.osvdb.org/2688
- http://www.securiteam.com/windowsntfocus/6U00N1P8KC.html
- http://www.securityfocus.com/bid/8861
- http://www.securityfocus.com/bid/8889
- https://exchange.xforce.ibmcloud.com/vulnerabilities/13468
- http://archives.neohapsis.com/archives/fulldisclosure/2003-q4/1459.html
- http://secunia.com/advisories/10038
- http://www.atrium-software.com/mail%20server/pub/mcr42sp3a.html
- http://www.osvdb.org/2688
- http://www.securiteam.com/windowsntfocus/6U00N1P8KC.html
- http://www.securityfocus.com/bid/8861
- http://www.securityfocus.com/bid/8889
- https://exchange.xforce.ibmcloud.com/vulnerabilities/13468
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