CVE-2007-4440 EXPLOIT
7.5
HIGH · CVSS 2.0 · EPSS 64.5% (pctl 99)
Patch early
A public exploit exists.
Description
Stack-based buffer overflow in the MercuryS SMTP server in Mercury Mail Transport System, possibly 4.51 and earlier, allows remote attackers to execute arbitrary code via a long AUTH CRAM-MD5 string. NOTE: this might overlap CVE-2006-5961.
Scoring
| CVSS | 7.5 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| EPSS | 64.51% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2007-08-21 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| pmail | mercury mail transport system |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Mercury/32 Mail SMTPD - AUTH CRAM-MD5 Buffer Overflow (Metasploit) | 2010-06-22 |
| exploit-db | Mercury/32 Mail SMTPD 4.51 - SMTPD CRAM-MD5 Remote Overflow | 2007-08-22 |
| exploit-db | Mercury/32 Mail SMTPD - Remote Stack Overrun (PoC) | 2007-08-18 |
References
- http://archives.neohapsis.com/archives/fulldisclosure/2007-08/0341.html
- http://secunia.com/advisories/26519
- http://www.pmail.com/m32_451.htm
- http://www.securityfocus.com/bid/25357
- http://www.securitytracker.com/id?1018587
- http://www.vupen.com/english/advisories/2007/2918
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36117
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36299
- https://www.exploit-db.com/exploits/4294
- http://archives.neohapsis.com/archives/fulldisclosure/2007-08/0341.html
- http://secunia.com/advisories/26519
- http://www.pmail.com/m32_451.htm
- http://www.securityfocus.com/bid/25357
- http://www.securitytracker.com/id?1018587
- http://www.vupen.com/english/advisories/2007/2918
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36117
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36299
- https://www.exploit-db.com/exploits/4294
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