CVE-2008-2006

Apple iCal 3.0.1 - Denial of Service via Malformed .ics File

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2008-2006. PoCs published by Core Security Technologies, Rodrigo Carvalho.

AI-analyzed exploit summary This exploit leverages an integer overflow vulnerability in Apple iCal by specifying an excessively large COUNT value in the RRULE field of a VEVENT, which can lead to arbitrary code execution or denial-of-service.

Description

Apple iCal 3.0.1 on Mac OS X allows remote CalDAV servers, and user-assisted remote attackers, to cause a denial of service (NULL pointer dereference and application crash) or possibly execute arbitrary code via a .ics file containing (1) a large 16-bit integer on a TRIGGER line, or (2) a large integer in a COUNT field on an RRULE line.

Exploits (2)

exploitdb WORKING POC VERIFIED
by Core Security Technologies · remoteosx
https://www.exploit-db.com/exploits/31613

This exploit leverages an integer overflow vulnerability in Apple iCal by specifying an excessively large COUNT value in the RRULE field of a VEVENT, which can lead to arbitrary code execution or denial-of-service.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: Apple iCal 3.0.1 on Mac OS X 10.5.1
No auth needed
Prerequisites: Victim must open the malicious .ics file in a vulnerable version of iCal
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Rodrigo Carvalho · dososx
https://www.exploit-db.com/exploits/31619

This is a denial-of-service (DoS) exploit for Apple iCal 3.0.1 on Mac OS X 10.5.1. The exploit uses a malformed .ics file with an invalid TRIGGER value (-PT65535H) to crash the application.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Apple iCal 3.0.1 on Mac OS X 10.5.1
No auth needed
Prerequisites: Ability to deliver a malicious .ics file to the target
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (10)

Core 10
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/42569
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/28632
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1020094
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2008/1601
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/492682/100/0/threaded
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/492638/100/100/threaded
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/3901
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/28629
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/492414/100/0/threaded

Scores

EPSS 0.0965
EPSS Percentile 94.9%

Details

CWE
CWE-20
Status published
Products (1)
apple/ical 3.0.1
Published May 22, 2008
Tracked Since Feb 18, 2026