CVE-2007-0039

Home/CVE/The Exchange Collaboration Data Objects (EXCDO) functionality in Microsoft Exchange Server 2000 SP3, 2003 SP1 and SP2, a

CVE

The Exchange Collaboration Data Objects (EXCDO) functionality in Microsoft Exchange Server 2000 SP3, 2003 SP1 and SP2, a

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.

HIGH · CVSS 7.8 EPSS 0.38347

Schedule remediation

EPSS ≥ 0.10 - elevated exploitation probability
EPSS percentile: top 3% of all CVEs by exploitation likelihood
CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-476NULL Pointer Dereference

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Affected Products & Versions

microsoft exchange serverall versions

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Scoring & Timeline

7.8

HIGH · CVSS v2 (legacy) · secure@microsoft.com

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Published to NVD08 May 2007 · 11:19 PM

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://lists.grok.org.uk/pipermail/full-disclosure/2007-May/063232.htmlMailing ListThird 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 AdvisoryVDB Entry

http://www.securityfocus.com/archive/1/468871/100/200/threadedThird Party AdvisoryVDB Entry

Show all 13 references

http://www.securityfocus.com/bid/23808Third Party AdvisoryVDB Entry

http://www.securitytracker.com/id?1018015Third Party AdvisoryVDB Entry

http://www.us-cert.gov/cas/techalerts/TA07-128A.htmlThird Party AdvisoryUS Government Resource

http://www.vupen.com/english/advisories/2007/1711Permissions Required

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-026PatchVendor Advisory

https://exchange.xforce.ibmcloud.com/vulnerabilities/33888Third Party AdvisoryVDB Entry

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1593Third Party Advisory

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