Integer overflow in the IMAP (IMAP4) support in Microsoft Exchange Server 2000 SP3 allows remote attackers to cause a denial of service (service hang) via crafted literals in an IMAP command, aka the "IMAP Literal Processing Vulnerability."

References

• https://nvd.nist.gov/vuln/detail/CVE-2007-0221
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-026
• https://exchange.xforce.ibmcloud.com/vulnerabilities/33890
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2054
• http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=526
• http://secunia.com/advisories/25183
• http://www.osvdb.org/34392
• http://www.securityfocus.com/archive/1/468871/100/200/threaded
• http://www.securityfocus.com/bid/23810
• http://www.securitytracker.com/id?1018015
• http://www.us-cert.gov/cas/techalerts/TA07-128A.html
• http://www.vupen.com/english/advisories/2007/1711