Description
The Exchange Collaboration Data Objects (EXCDO) functionality in Microsoft Exchange Server 2000 SP3, 2003 SP1 and SP2, and 2007 allows remote attackers to cause a denial of service (crash) via an Internet Calendar (iCal) file containing multiple X-MICROSOFT-CDO-MODPROPS (MODPROPS) properties in which the second MODPROPS is longer than the first, which triggers a NULL pointer dereference and an unhandled exception.
Metrics
CVSS 2.0 7.8/10
AV:N/AC:L/Au:N/C:N/I:N/A:CWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://lists.grok.org.uk/pipermail/full-disclosure/2007-May/063232.htmlMailing List, Third Party Advisory
- http://secunia.com/advisories/25183Third Party Advisory
- http://www.determina.com/security.research/vulnerabilities/exchange-ical-modprops.htmlBroken Link
- http://www.osvdb.org/34390Broken Link
- http://www.securityfocus.com/archive/1/468047/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/archive/1/468871/100/200/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/23808Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id?1018015Third Party Advisory, VDB Entry
- http://www.us-cert.gov/cas/techalerts/TA07-128A.htmlThird Party Advisory, US Government Resource
- http://www.vupen.com/english/advisories/2007/1711Permissions Required
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-026Patch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33888Third Party Advisory, VDB Entry
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1593Third Party Advisory
- http://lists.grok.org.uk/pipermail/full-disclosure/2007-May/063232.htmlMailing List, Third Party Advisory
- http://secunia.com/advisories/25183Third Party Advisory
- http://www.determina.com/security.research/vulnerabilities/exchange-ical-modprops.htmlBroken Link
- http://www.osvdb.org/34390Broken Link
- http://www.securityfocus.com/archive/1/468047/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/archive/1/468871/100/200/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/23808Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id?1018015Third Party Advisory, VDB Entry
- http://www.us-cert.gov/cas/techalerts/TA07-128A.htmlThird Party Advisory, US Government Resource
- http://www.vupen.com/english/advisories/2007/1711Permissions Required
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-026Patch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33888Third Party Advisory, VDB Entry
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1593Third Party Advisory
Timeline
- Published
- May 8, 2007
- Last modified
- Jun 16, 2026
- NVD status
- Modified