CVE-2007-1675

EXPLOITED

IBM Lotus Domino - Denial of Service via CRAM-MD5 Authentication Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2007-1675 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 3 public exploits from researchers including dmc & prdelka, muts, Winny Thomas.

AI-analyzed exploit summary This exploit targets a vulnerability in IBM Lotus Domino IMAP4 Server (CVE-2007-1675) by leveraging a buffer overflow to achieve remote code execution. It uses a combination of shellcode, an egghunter, and a carefully crafted payload to bypass memory constraints and execute arbitrary code.

Description

Buffer overflow in the CRAM-MD5 authentication mechanism in the IMAP server (nimap.exe) in IBM Lotus Domino before 6.5.6 and 7.x before 7.0.2 FP1 allows remote attackers to cause a denial of service via a long username.

Exploits (3)

exploitdb WORKING POC VERIFIED
by dmc & prdelka · pythonremotewindows
https://www.exploit-db.com/exploits/4207

This exploit targets a vulnerability in IBM Lotus Domino IMAP4 Server (CVE-2007-1675) by leveraging a buffer overflow to achieve remote code execution. It uses a combination of shellcode, an egghunter, and a carefully crafted payload to bypass memory constraints and execute arbitrary code.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Complex
Reliability
Reliable
Target: IBM Lotus Domino <= 7.0.2 && 6.5.5 FP2 (tested 6.5.4)
No auth needed
Prerequisites: Network access to the target IMAP server · Vulnerable version of Lotus Domino
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by muts · pythonremotewindows
https://www.exploit-db.com/exploits/3616

This exploit targets a buffer overflow vulnerability in IBM Lotus Domino Server 6.5 IMAP service, delivering a bind shell payload. It uses an egghunter technique to locate and execute the shellcode in memory.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: IBM Lotus Domino Server 6.5
No auth needed
Prerequisites: Network access to the target IMAP service (port 143) · Target running IBM Lotus Domino Server 6.5
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Winny Thomas · pythondoswindows
https://www.exploit-db.com/exploits/3602

This exploit triggers a DoS in IBM Lotus Domino Server 6.5 by sending a malformed IMAP authentication request with a 256-byte username, causing the IMAP service to crash. The payload includes a struct-packed DWORD (0x58585858) but does not achieve code execution.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: IBM Lotus Domino Server 6.5
No auth needed
Prerequisites: Network access to the target IMAP server (port 143)
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (8)

Core 8
Core References
Patch vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/23173
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/23172
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/24633
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/33276
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1017823
Third Party Advisory x_refsource_misc
http://www.zerodayinitiative.com/advisories/ZDI-07-011.html
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2007/1133

Scores

EPSS 0.7698
EPSS Percentile 99.0%

Details

VulnCheck KEV 2017-06-20
Status published
Products (9)
ibm/lotus_domino 6.5.0
ibm/lotus_domino 6.5.1
ibm/lotus_domino 6.5.2
ibm/lotus_domino 6.5.3
ibm/lotus_domino 6.5.4 (3 CPE variants)
ibm/lotus_domino 6.5.5 (3 CPE variants)
ibm/lotus_domino 7.0
ibm/lotus_domino 7.0.1
ibm/lotus_domino 7.0.2
Published Mar 28, 2007
Tracked Since Feb 18, 2026